DV001F

divisor_mask_positive_source_extensional

Alpha v34 independently verified · alpha_closed; checked-use authorized; not Stable

Positive-only equality of arbitrary inputs yields full equality of their actual divisor masks, including the forced zero output at index zero.

Current library: Alpha v34, 4,223 checked-use theorems; Stable remains 432. Historical first admissions, original proof editions, and non-admitted aliases are preserved.

Exact expanded first-order arithmetic statement

forall F G n M K. (forall dm_index_mask_source_equal dm_first_value_mask_source_equal dm_second_value_mask_source_equal. ~(dm_index_mask_source_equal=0) -> (exists pvs_le_gap_mask_source_equaldomain. pvs_le_gap_mask_source_equaldomain + (dm_index_mask_source_equal) = (n)) -> (exists dst_positive_code_mask_source_equalfirst dst_positive_scale_mask_source_equalfirst dst_negative_code_mask_source_equalfirst dst_negative_scale_mask_source_equalfirst dst_positive_mask_source_equalfirst dst_negative_mask_source_equalfirst. (((F) = (((((dst_positive_code_mask_source_equalfirst) + (dst_positive_scale_mask_source_equalfirst)) * S ((dst_positive_code_mask_source_equalfirst) + (dst_positive_scale_mask_source_equalfirst)) + ((dst_positive_scale_mask_source_equalfirst) + (dst_positive_scale_mask_source_equalfirst))) + (((dst_negative_code_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst)) * S ((dst_negative_code_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst)) + ((dst_negative_scale_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst)))) * S ((((dst_positive_code_mask_source_equalfirst) + (dst_positive_scale_mask_source_equalfirst)) * S ((dst_positive_code_mask_source_equalfirst) + (dst_positive_scale_mask_source_equalfirst)) + ((dst_positive_scale_mask_source_equalfirst) + (dst_positive_scale_mask_source_equalfirst))) + (((dst_negative_code_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst)) * S ((dst_negative_code_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst)) + ((dst_negative_scale_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst)))) + ((((dst_negative_code_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst)) * S ((dst_negative_code_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst)) + ((dst_negative_scale_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst))) + (((dst_negative_code_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst)) * S ((dst_negative_code_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst)) + ((dst_negative_scale_mask_source_equalfirst) + (dst_negative_scale_mask_source_equalfirst)))))) /\ (((((exists ff_h_pvs_mask_source_equalfirstpositive. ff_h_pvs_mask_source_equalfirstpositive + S (dst_positive_mask_source_equalfirst) = S ((S (dm_index_mask_source_equal)) * dst_positive_scale_mask_source_equalfirst)) /\ exists ff_q_pvs_mask_source_equalfirstpositive. dst_positive_code_mask_source_equalfirst = ff_q_pvs_mask_source_equalfirstpositive * S ((S (dm_index_mask_source_equal)) * dst_positive_scale_mask_source_equalfirst) + (dst_positive_mask_source_equalfirst))) /\ (((((exists ff_h_pvs_mask_source_equalfirstnegative. ff_h_pvs_mask_source_equalfirstnegative + S (dst_negative_mask_source_equalfirst) = S ((S (dm_index_mask_source_equal)) * dst_negative_scale_mask_source_equalfirst)) /\ exists ff_q_pvs_mask_source_equalfirstnegative. dst_negative_code_mask_source_equalfirst = ff_q_pvs_mask_source_equalfirstnegative * S ((S (dm_index_mask_source_equal)) * dst_negative_scale_mask_source_equalfirst) + (dst_negative_mask_source_equalfirst))) /\ (exists ge_balance_positive_mask_source_equalfirstvalue ge_balance_negative_mask_source_equalfirstvalue. (((((dm_first_value_mask_source_equal) = 2 * (ge_balance_positive_mask_source_equalfirstvalue) /\ (ge_balance_negative_mask_source_equalfirstvalue) = 0) \/ exists ge_signed_half_mask_source_equalfirstvaluedecode. (((dm_first_value_mask_source_equal) = 2 * ge_signed_half_mask_source_equalfirstvaluedecode + 1 /\ (ge_balance_positive_mask_source_equalfirstvalue) = 0) /\ (ge_balance_negative_mask_source_equalfirstvalue) = S ge_signed_half_mask_source_equalfirstvaluedecode))) /\ ((dst_positive_mask_source_equalfirst) + ge_balance_negative_mask_source_equalfirstvalue = (dst_negative_mask_source_equalfirst) + ge_balance_positive_mask_source_equalfirstvalue))))))))) -> (exists dst_positive_code_mask_source_equalsecond dst_positive_scale_mask_source_equalsecond dst_negative_code_mask_source_equalsecond dst_negative_scale_mask_source_equalsecond dst_positive_mask_source_equalsecond dst_negative_mask_source_equalsecond. (((G) = (((((dst_positive_code_mask_source_equalsecond) + (dst_positive_scale_mask_source_equalsecond)) * S ((dst_positive_code_mask_source_equalsecond) + (dst_positive_scale_mask_source_equalsecond)) + ((dst_positive_scale_mask_source_equalsecond) + (dst_positive_scale_mask_source_equalsecond))) + (((dst_negative_code_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond)) * S ((dst_negative_code_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond)) + ((dst_negative_scale_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond)))) * S ((((dst_positive_code_mask_source_equalsecond) + (dst_positive_scale_mask_source_equalsecond)) * S ((dst_positive_code_mask_source_equalsecond) + (dst_positive_scale_mask_source_equalsecond)) + ((dst_positive_scale_mask_source_equalsecond) + (dst_positive_scale_mask_source_equalsecond))) + (((dst_negative_code_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond)) * S ((dst_negative_code_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond)) + ((dst_negative_scale_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond)))) + ((((dst_negative_code_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond)) * S ((dst_negative_code_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond)) + ((dst_negative_scale_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond))) + (((dst_negative_code_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond)) * S ((dst_negative_code_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond)) + ((dst_negative_scale_mask_source_equalsecond) + (dst_negative_scale_mask_source_equalsecond)))))) /\ (((((exists ff_h_pvs_mask_source_equalsecondpositive. ff_h_pvs_mask_source_equalsecondpositive + S (dst_positive_mask_source_equalsecond) = S ((S (dm_index_mask_source_equal)) * dst_positive_scale_mask_source_equalsecond)) /\ exists ff_q_pvs_mask_source_equalsecondpositive. dst_positive_code_mask_source_equalsecond = ff_q_pvs_mask_source_equalsecondpositive * S ((S (dm_index_mask_source_equal)) * dst_positive_scale_mask_source_equalsecond) + (dst_positive_mask_source_equalsecond))) /\ (((((exists ff_h_pvs_mask_source_equalsecondnegative. ff_h_pvs_mask_source_equalsecondnegative + S (dst_negative_mask_source_equalsecond) = S ((S (dm_index_mask_source_equal)) * dst_negative_scale_mask_source_equalsecond)) /\ exists ff_q_pvs_mask_source_equalsecondnegative. dst_negative_code_mask_source_equalsecond = ff_q_pvs_mask_source_equalsecondnegative * S ((S (dm_index_mask_source_equal)) * dst_negative_scale_mask_source_equalsecond) + (dst_negative_mask_source_equalsecond))) /\ (exists ge_balance_positive_mask_source_equalsecondvalue ge_balance_negative_mask_source_equalsecondvalue. (((((dm_second_value_mask_source_equal) = 2 * (ge_balance_positive_mask_source_equalsecondvalue) /\ (ge_balance_negative_mask_source_equalsecondvalue) = 0) \/ exists ge_signed_half_mask_source_equalsecondvaluedecode. (((dm_second_value_mask_source_equal) = 2 * ge_signed_half_mask_source_equalsecondvaluedecode + 1 /\ (ge_balance_positive_mask_source_equalsecondvalue) = 0) /\ (ge_balance_negative_mask_source_equalsecondvalue) = S ge_signed_half_mask_source_equalsecondvaluedecode))) /\ ((dst_positive_mask_source_equalsecond) + ge_balance_negative_mask_source_equalsecondvalue = (dst_negative_mask_source_equalsecond) + ge_balance_positive_mask_source_equalsecondvalue))))))))) -> dm_first_value_mask_source_equal=dm_second_value_mask_source_equal) -> (((exists dst_positive_code_mask_source_firsttable dst_positive_scale_mask_source_firsttable dst_negative_code_mask_source_firsttable dst_negative_scale_mask_source_firsttable. (((M) = (((((dst_positive_code_mask_source_firsttable) + (dst_positive_scale_mask_source_firsttable)) * S ((dst_positive_code_mask_source_firsttable) + (dst_positive_scale_mask_source_firsttable)) + ((dst_positive_scale_mask_source_firsttable) + (dst_positive_scale_mask_source_firsttable))) + (((dst_negative_code_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable)) * S ((dst_negative_code_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable)) + ((dst_negative_scale_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable)))) * S ((((dst_positive_code_mask_source_firsttable) + (dst_positive_scale_mask_source_firsttable)) * S ((dst_positive_code_mask_source_firsttable) + (dst_positive_scale_mask_source_firsttable)) + ((dst_positive_scale_mask_source_firsttable) + (dst_positive_scale_mask_source_firsttable))) + (((dst_negative_code_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable)) * S ((dst_negative_code_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable)) + ((dst_negative_scale_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable)))) + ((((dst_negative_code_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable)) * S ((dst_negative_code_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable)) + ((dst_negative_scale_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable))) + (((dst_negative_code_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable)) * S ((dst_negative_code_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable)) + ((dst_negative_scale_mask_source_firsttable) + (dst_negative_scale_mask_source_firsttable)))))) /\ (forall dst_index_mask_source_firsttable. (exists pvs_le_gap_mask_source_firsttabledomain. pvs_le_gap_mask_source_firsttabledomain + (dst_index_mask_source_firsttable) = (n)) -> exists dst_positive_mask_source_firsttable dst_negative_mask_source_firsttable dst_value_mask_source_firsttable. ((((exists ff_h_pvs_mask_source_firsttableentrypositive. ff_h_pvs_mask_source_firsttableentrypositive + S (dst_positive_mask_source_firsttable) = S ((S (dst_index_mask_source_firsttable)) * dst_positive_scale_mask_source_firsttable)) /\ exists ff_q_pvs_mask_source_firsttableentrypositive. dst_positive_code_mask_source_firsttable = ff_q_pvs_mask_source_firsttableentrypositive * S ((S (dst_index_mask_source_firsttable)) * dst_positive_scale_mask_source_firsttable) + (dst_positive_mask_source_firsttable))) /\ (((((exists ff_h_pvs_mask_source_firsttableentrynegative. ff_h_pvs_mask_source_firsttableentrynegative + S (dst_negative_mask_source_firsttable) = S ((S (dst_index_mask_source_firsttable)) * dst_negative_scale_mask_source_firsttable)) /\ exists ff_q_pvs_mask_source_firsttableentrynegative. dst_negative_code_mask_source_firsttable = ff_q_pvs_mask_source_firsttableentrynegative * S ((S (dst_index_mask_source_firsttable)) * dst_negative_scale_mask_source_firsttable) + (dst_negative_mask_source_firsttable))) /\ (exists ge_balance_positive_mask_source_firsttableentryvalue ge_balance_negative_mask_source_firsttableentryvalue. (((((dst_value_mask_source_firsttable) = 2 * (ge_balance_positive_mask_source_firsttableentryvalue) /\ (ge_balance_negative_mask_source_firsttableentryvalue) = 0) \/ exists ge_signed_half_mask_source_firsttableentryvaluedecode. (((dst_value_mask_source_firsttable) = 2 * ge_signed_half_mask_source_firsttableentryvaluedecode + 1 /\ (ge_balance_positive_mask_source_firsttableentryvalue) = 0) /\ (ge_balance_negative_mask_source_firsttableentryvalue) = S ge_signed_half_mask_source_firsttableentryvaluedecode))) /\ ((dst_positive_mask_source_firsttable) + ge_balance_negative_mask_source_firsttableentryvalue = (dst_negative_mask_source_firsttable) + ge_balance_positive_mask_source_firsttableentryvalue))))))))) /\ (forall dm_index_mask_source_first dm_value_mask_source_first. (exists pvs_le_gap_mask_source_firstdomain. pvs_le_gap_mask_source_firstdomain + (dm_index_mask_source_first) = (n)) -> (exists dst_positive_code_mask_source_firstlookup dst_positive_scale_mask_source_firstlookup dst_negative_code_mask_source_firstlookup dst_negative_scale_mask_source_firstlookup dst_positive_mask_source_firstlookup dst_negative_mask_source_firstlookup. (((M) = (((((dst_positive_code_mask_source_firstlookup) + (dst_positive_scale_mask_source_firstlookup)) * S ((dst_positive_code_mask_source_firstlookup) + (dst_positive_scale_mask_source_firstlookup)) + ((dst_positive_scale_mask_source_firstlookup) + (dst_positive_scale_mask_source_firstlookup))) + (((dst_negative_code_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup)) * S ((dst_negative_code_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup)) + ((dst_negative_scale_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup)))) * S ((((dst_positive_code_mask_source_firstlookup) + (dst_positive_scale_mask_source_firstlookup)) * S ((dst_positive_code_mask_source_firstlookup) + (dst_positive_scale_mask_source_firstlookup)) + ((dst_positive_scale_mask_source_firstlookup) + (dst_positive_scale_mask_source_firstlookup))) + (((dst_negative_code_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup)) * S ((dst_negative_code_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup)) + ((dst_negative_scale_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup)))) + ((((dst_negative_code_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup)) * S ((dst_negative_code_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup)) + ((dst_negative_scale_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup))) + (((dst_negative_code_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup)) * S ((dst_negative_code_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup)) + ((dst_negative_scale_mask_source_firstlookup) + (dst_negative_scale_mask_source_firstlookup)))))) /\ (((((exists ff_h_pvs_mask_source_firstlookuppositive. ff_h_pvs_mask_source_firstlookuppositive + S (dst_positive_mask_source_firstlookup) = S ((S (dm_index_mask_source_first)) * dst_positive_scale_mask_source_firstlookup)) /\ exists ff_q_pvs_mask_source_firstlookuppositive. dst_positive_code_mask_source_firstlookup = ff_q_pvs_mask_source_firstlookuppositive * S ((S (dm_index_mask_source_first)) * dst_positive_scale_mask_source_firstlookup) + (dst_positive_mask_source_firstlookup))) /\ (((((exists ff_h_pvs_mask_source_firstlookupnegative. ff_h_pvs_mask_source_firstlookupnegative + S (dst_negative_mask_source_firstlookup) = S ((S (dm_index_mask_source_first)) * dst_negative_scale_mask_source_firstlookup)) /\ exists ff_q_pvs_mask_source_firstlookupnegative. dst_negative_code_mask_source_firstlookup = ff_q_pvs_mask_source_firstlookupnegative * S ((S (dm_index_mask_source_first)) * dst_negative_scale_mask_source_firstlookup) + (dst_negative_mask_source_firstlookup))) /\ (exists ge_balance_positive_mask_source_firstlookupvalue ge_balance_negative_mask_source_firstlookupvalue. (((((dm_value_mask_source_first) = 2 * (ge_balance_positive_mask_source_firstlookupvalue) /\ (ge_balance_negative_mask_source_firstlookupvalue) = 0) \/ exists ge_signed_half_mask_source_firstlookupvaluedecode. (((dm_value_mask_source_first) = 2 * ge_signed_half_mask_source_firstlookupvaluedecode + 1 /\ (ge_balance_positive_mask_source_firstlookupvalue) = 0) /\ (ge_balance_negative_mask_source_firstlookupvalue) = S ge_signed_half_mask_source_firstlookupvaluedecode))) /\ ((dst_positive_mask_source_firstlookup) + ge_balance_negative_mask_source_firstlookupvalue = (dst_negative_mask_source_firstlookup) + ge_balance_positive_mask_source_firstlookupvalue))))))))) -> ((((~((dm_index_mask_source_first)=0)) /\ (exists dm_quotient_mask_source_firstentry. (((n)=(dm_index_mask_source_first)*dm_quotient_mask_source_firstentry) /\ (exists dst_positive_code_mask_source_firstentryinput dst_positive_scale_mask_source_firstentryinput dst_negative_code_mask_source_firstentryinput dst_negative_scale_mask_source_firstentryinput dst_positive_mask_source_firstentryinput dst_negative_mask_source_firstentryinput. (((F) = (((((dst_positive_code_mask_source_firstentryinput) + (dst_positive_scale_mask_source_firstentryinput)) * S ((dst_positive_code_mask_source_firstentryinput) + (dst_positive_scale_mask_source_firstentryinput)) + ((dst_positive_scale_mask_source_firstentryinput) + (dst_positive_scale_mask_source_firstentryinput))) + (((dst_negative_code_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput)) * S ((dst_negative_code_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput)) + ((dst_negative_scale_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput)))) * S ((((dst_positive_code_mask_source_firstentryinput) + (dst_positive_scale_mask_source_firstentryinput)) * S ((dst_positive_code_mask_source_firstentryinput) + (dst_positive_scale_mask_source_firstentryinput)) + ((dst_positive_scale_mask_source_firstentryinput) + (dst_positive_scale_mask_source_firstentryinput))) + (((dst_negative_code_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput)) * S ((dst_negative_code_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput)) + ((dst_negative_scale_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput)))) + ((((dst_negative_code_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput)) * S ((dst_negative_code_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput)) + ((dst_negative_scale_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput))) + (((dst_negative_code_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput)) * S ((dst_negative_code_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput)) + ((dst_negative_scale_mask_source_firstentryinput) + (dst_negative_scale_mask_source_firstentryinput)))))) /\ (((((exists ff_h_pvs_mask_source_firstentryinputpositive. ff_h_pvs_mask_source_firstentryinputpositive + S (dst_positive_mask_source_firstentryinput) = S ((S (dm_index_mask_source_first)) * dst_positive_scale_mask_source_firstentryinput)) /\ exists ff_q_pvs_mask_source_firstentryinputpositive. dst_positive_code_mask_source_firstentryinput = ff_q_pvs_mask_source_firstentryinputpositive * S ((S (dm_index_mask_source_first)) * dst_positive_scale_mask_source_firstentryinput) + (dst_positive_mask_source_firstentryinput))) /\ (((((exists ff_h_pvs_mask_source_firstentryinputnegative. ff_h_pvs_mask_source_firstentryinputnegative + S (dst_negative_mask_source_firstentryinput) = S ((S (dm_index_mask_source_first)) * dst_negative_scale_mask_source_firstentryinput)) /\ exists ff_q_pvs_mask_source_firstentryinputnegative. dst_negative_code_mask_source_firstentryinput = ff_q_pvs_mask_source_firstentryinputnegative * S ((S (dm_index_mask_source_first)) * dst_negative_scale_mask_source_firstentryinput) + (dst_negative_mask_source_firstentryinput))) /\ (exists ge_balance_positive_mask_source_firstentryinputvalue ge_balance_negative_mask_source_firstentryinputvalue. (((((dm_value_mask_source_first) = 2 * (ge_balance_positive_mask_source_firstentryinputvalue) /\ (ge_balance_negative_mask_source_firstentryinputvalue) = 0) \/ exists ge_signed_half_mask_source_firstentryinputvaluedecode. (((dm_value_mask_source_first) = 2 * ge_signed_half_mask_source_firstentryinputvaluedecode + 1 /\ (ge_balance_positive_mask_source_firstentryinputvalue) = 0) /\ (ge_balance_negative_mask_source_firstentryinputvalue) = S ge_signed_half_mask_source_firstentryinputvaluedecode))) /\ ((dst_positive_mask_source_firstentryinput) + ge_balance_negative_mask_source_firstentryinputvalue = (dst_negative_mask_source_firstentryinput) + ge_balance_positive_mask_source_firstentryinputvalue))))))))))))) \/ ((((dm_index_mask_source_first)=0 \/ ~(exists pvs_factor_mask_source_firstentrynondivisor. (n) = (dm_index_mask_source_first) * pvs_factor_mask_source_firstentrynondivisor)) /\ ((dm_value_mask_source_first)=0))))))) -> (((exists dst_positive_code_mask_source_secondtable dst_positive_scale_mask_source_secondtable dst_negative_code_mask_source_secondtable dst_negative_scale_mask_source_secondtable. (((K) = (((((dst_positive_code_mask_source_secondtable) + (dst_positive_scale_mask_source_secondtable)) * S ((dst_positive_code_mask_source_secondtable) + (dst_positive_scale_mask_source_secondtable)) + ((dst_positive_scale_mask_source_secondtable) + (dst_positive_scale_mask_source_secondtable))) + (((dst_negative_code_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable)) * S ((dst_negative_code_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable)) + ((dst_negative_scale_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable)))) * S ((((dst_positive_code_mask_source_secondtable) + (dst_positive_scale_mask_source_secondtable)) * S ((dst_positive_code_mask_source_secondtable) + (dst_positive_scale_mask_source_secondtable)) + ((dst_positive_scale_mask_source_secondtable) + (dst_positive_scale_mask_source_secondtable))) + (((dst_negative_code_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable)) * S ((dst_negative_code_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable)) + ((dst_negative_scale_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable)))) + ((((dst_negative_code_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable)) * S ((dst_negative_code_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable)) + ((dst_negative_scale_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable))) + (((dst_negative_code_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable)) * S ((dst_negative_code_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable)) + ((dst_negative_scale_mask_source_secondtable) + (dst_negative_scale_mask_source_secondtable)))))) /\ (forall dst_index_mask_source_secondtable. (exists pvs_le_gap_mask_source_secondtabledomain. pvs_le_gap_mask_source_secondtabledomain + (dst_index_mask_source_secondtable) = (n)) -> exists dst_positive_mask_source_secondtable dst_negative_mask_source_secondtable dst_value_mask_source_secondtable. ((((exists ff_h_pvs_mask_source_secondtableentrypositive. ff_h_pvs_mask_source_secondtableentrypositive + S (dst_positive_mask_source_secondtable) = S ((S (dst_index_mask_source_secondtable)) * dst_positive_scale_mask_source_secondtable)) /\ exists ff_q_pvs_mask_source_secondtableentrypositive. dst_positive_code_mask_source_secondtable = ff_q_pvs_mask_source_secondtableentrypositive * S ((S (dst_index_mask_source_secondtable)) * dst_positive_scale_mask_source_secondtable) + (dst_positive_mask_source_secondtable))) /\ (((((exists ff_h_pvs_mask_source_secondtableentrynegative. ff_h_pvs_mask_source_secondtableentrynegative + S (dst_negative_mask_source_secondtable) = S ((S (dst_index_mask_source_secondtable)) * dst_negative_scale_mask_source_secondtable)) /\ exists ff_q_pvs_mask_source_secondtableentrynegative. dst_negative_code_mask_source_secondtable = ff_q_pvs_mask_source_secondtableentrynegative * S ((S (dst_index_mask_source_secondtable)) * dst_negative_scale_mask_source_secondtable) + (dst_negative_mask_source_secondtable))) /\ (exists ge_balance_positive_mask_source_secondtableentryvalue ge_balance_negative_mask_source_secondtableentryvalue. (((((dst_value_mask_source_secondtable) = 2 * (ge_balance_positive_mask_source_secondtableentryvalue) /\ (ge_balance_negative_mask_source_secondtableentryvalue) = 0) \/ exists ge_signed_half_mask_source_secondtableentryvaluedecode. (((dst_value_mask_source_secondtable) = 2 * ge_signed_half_mask_source_secondtableentryvaluedecode + 1 /\ (ge_balance_positive_mask_source_secondtableentryvalue) = 0) /\ (ge_balance_negative_mask_source_secondtableentryvalue) = S ge_signed_half_mask_source_secondtableentryvaluedecode))) /\ ((dst_positive_mask_source_secondtable) + ge_balance_negative_mask_source_secondtableentryvalue = (dst_negative_mask_source_secondtable) + ge_balance_positive_mask_source_secondtableentryvalue))))))))) /\ (forall dm_index_mask_source_second dm_value_mask_source_second. (exists pvs_le_gap_mask_source_seconddomain. pvs_le_gap_mask_source_seconddomain + (dm_index_mask_source_second) = (n)) -> (exists dst_positive_code_mask_source_secondlookup dst_positive_scale_mask_source_secondlookup dst_negative_code_mask_source_secondlookup dst_negative_scale_mask_source_secondlookup dst_positive_mask_source_secondlookup dst_negative_mask_source_secondlookup. (((K) = (((((dst_positive_code_mask_source_secondlookup) + (dst_positive_scale_mask_source_secondlookup)) * S ((dst_positive_code_mask_source_secondlookup) + (dst_positive_scale_mask_source_secondlookup)) + ((dst_positive_scale_mask_source_secondlookup) + (dst_positive_scale_mask_source_secondlookup))) + (((dst_negative_code_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup)) * S ((dst_negative_code_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup)) + ((dst_negative_scale_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup)))) * S ((((dst_positive_code_mask_source_secondlookup) + (dst_positive_scale_mask_source_secondlookup)) * S ((dst_positive_code_mask_source_secondlookup) + (dst_positive_scale_mask_source_secondlookup)) + ((dst_positive_scale_mask_source_secondlookup) + (dst_positive_scale_mask_source_secondlookup))) + (((dst_negative_code_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup)) * S ((dst_negative_code_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup)) + ((dst_negative_scale_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup)))) + ((((dst_negative_code_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup)) * S ((dst_negative_code_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup)) + ((dst_negative_scale_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup))) + (((dst_negative_code_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup)) * S ((dst_negative_code_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup)) + ((dst_negative_scale_mask_source_secondlookup) + (dst_negative_scale_mask_source_secondlookup)))))) /\ (((((exists ff_h_pvs_mask_source_secondlookuppositive. ff_h_pvs_mask_source_secondlookuppositive + S (dst_positive_mask_source_secondlookup) = S ((S (dm_index_mask_source_second)) * dst_positive_scale_mask_source_secondlookup)) /\ exists ff_q_pvs_mask_source_secondlookuppositive. dst_positive_code_mask_source_secondlookup = ff_q_pvs_mask_source_secondlookuppositive * S ((S (dm_index_mask_source_second)) * dst_positive_scale_mask_source_secondlookup) + (dst_positive_mask_source_secondlookup))) /\ (((((exists ff_h_pvs_mask_source_secondlookupnegative. ff_h_pvs_mask_source_secondlookupnegative + S (dst_negative_mask_source_secondlookup) = S ((S (dm_index_mask_source_second)) * dst_negative_scale_mask_source_secondlookup)) /\ exists ff_q_pvs_mask_source_secondlookupnegative. dst_negative_code_mask_source_secondlookup = ff_q_pvs_mask_source_secondlookupnegative * S ((S (dm_index_mask_source_second)) * dst_negative_scale_mask_source_secondlookup) + (dst_negative_mask_source_secondlookup))) /\ (exists ge_balance_positive_mask_source_secondlookupvalue ge_balance_negative_mask_source_secondlookupvalue. (((((dm_value_mask_source_second) = 2 * (ge_balance_positive_mask_source_secondlookupvalue) /\ (ge_balance_negative_mask_source_secondlookupvalue) = 0) \/ exists ge_signed_half_mask_source_secondlookupvaluedecode. (((dm_value_mask_source_second) = 2 * ge_signed_half_mask_source_secondlookupvaluedecode + 1 /\ (ge_balance_positive_mask_source_secondlookupvalue) = 0) /\ (ge_balance_negative_mask_source_secondlookupvalue) = S ge_signed_half_mask_source_secondlookupvaluedecode))) /\ ((dst_positive_mask_source_secondlookup) + ge_balance_negative_mask_source_secondlookupvalue = (dst_negative_mask_source_secondlookup) + ge_balance_positive_mask_source_secondlookupvalue))))))))) -> ((((~((dm_index_mask_source_second)=0)) /\ (exists dm_quotient_mask_source_secondentry. (((n)=(dm_index_mask_source_second)*dm_quotient_mask_source_secondentry) /\ (exists dst_positive_code_mask_source_secondentryinput dst_positive_scale_mask_source_secondentryinput dst_negative_code_mask_source_secondentryinput dst_negative_scale_mask_source_secondentryinput dst_positive_mask_source_secondentryinput dst_negative_mask_source_secondentryinput. (((G) = (((((dst_positive_code_mask_source_secondentryinput) + (dst_positive_scale_mask_source_secondentryinput)) * S ((dst_positive_code_mask_source_secondentryinput) + (dst_positive_scale_mask_source_secondentryinput)) + ((dst_positive_scale_mask_source_secondentryinput) + (dst_positive_scale_mask_source_secondentryinput))) + (((dst_negative_code_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput)) * S ((dst_negative_code_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput)) + ((dst_negative_scale_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput)))) * S ((((dst_positive_code_mask_source_secondentryinput) + (dst_positive_scale_mask_source_secondentryinput)) * S ((dst_positive_code_mask_source_secondentryinput) + (dst_positive_scale_mask_source_secondentryinput)) + ((dst_positive_scale_mask_source_secondentryinput) + (dst_positive_scale_mask_source_secondentryinput))) + (((dst_negative_code_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput)) * S ((dst_negative_code_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput)) + ((dst_negative_scale_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput)))) + ((((dst_negative_code_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput)) * S ((dst_negative_code_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput)) + ((dst_negative_scale_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput))) + (((dst_negative_code_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput)) * S ((dst_negative_code_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput)) + ((dst_negative_scale_mask_source_secondentryinput) + (dst_negative_scale_mask_source_secondentryinput)))))) /\ (((((exists ff_h_pvs_mask_source_secondentryinputpositive. ff_h_pvs_mask_source_secondentryinputpositive + S (dst_positive_mask_source_secondentryinput) = S ((S (dm_index_mask_source_second)) * dst_positive_scale_mask_source_secondentryinput)) /\ exists ff_q_pvs_mask_source_secondentryinputpositive. dst_positive_code_mask_source_secondentryinput = ff_q_pvs_mask_source_secondentryinputpositive * S ((S (dm_index_mask_source_second)) * dst_positive_scale_mask_source_secondentryinput) + (dst_positive_mask_source_secondentryinput))) /\ (((((exists ff_h_pvs_mask_source_secondentryinputnegative. ff_h_pvs_mask_source_secondentryinputnegative + S (dst_negative_mask_source_secondentryinput) = S ((S (dm_index_mask_source_second)) * dst_negative_scale_mask_source_secondentryinput)) /\ exists ff_q_pvs_mask_source_secondentryinputnegative. dst_negative_code_mask_source_secondentryinput = ff_q_pvs_mask_source_secondentryinputnegative * S ((S (dm_index_mask_source_second)) * dst_negative_scale_mask_source_secondentryinput) + (dst_negative_mask_source_secondentryinput))) /\ (exists ge_balance_positive_mask_source_secondentryinputvalue ge_balance_negative_mask_source_secondentryinputvalue. (((((dm_value_mask_source_second) = 2 * (ge_balance_positive_mask_source_secondentryinputvalue) /\ (ge_balance_negative_mask_source_secondentryinputvalue) = 0) \/ exists ge_signed_half_mask_source_secondentryinputvaluedecode. (((dm_value_mask_source_second) = 2 * ge_signed_half_mask_source_secondentryinputvaluedecode + 1 /\ (ge_balance_positive_mask_source_secondentryinputvalue) = 0) /\ (ge_balance_negative_mask_source_secondentryinputvalue) = S ge_signed_half_mask_source_secondentryinputvaluedecode))) /\ ((dst_positive_mask_source_secondentryinput) + ge_balance_negative_mask_source_secondentryinputvalue = (dst_negative_mask_source_secondentryinput) + ge_balance_positive_mask_source_secondentryinputvalue))))))))))))) \/ ((((dm_index_mask_source_second)=0 \/ ~(exists pvs_factor_mask_source_secondentrynondivisor. (n) = (dm_index_mask_source_second) * pvs_factor_mask_source_secondentrynondivisor)) /\ ((dm_value_mask_source_second)=0))))))) -> (forall dst_index_mask_source_result dst_first_mask_source_result dst_second_mask_source_result. (exists pvs_gap_mask_source_resultbound. pvs_gap_mask_source_resultbound + S (dst_index_mask_source_result) = (S n)) -> (exists dst_positive_code_mask_source_resultfirst dst_positive_scale_mask_source_resultfirst dst_negative_code_mask_source_resultfirst dst_negative_scale_mask_source_resultfirst dst_positive_mask_source_resultfirst dst_negative_mask_source_resultfirst. (((M) = (((((dst_positive_code_mask_source_resultfirst) + (dst_positive_scale_mask_source_resultfirst)) * S ((dst_positive_code_mask_source_resultfirst) + (dst_positive_scale_mask_source_resultfirst)) + ((dst_positive_scale_mask_source_resultfirst) + (dst_positive_scale_mask_source_resultfirst))) + (((dst_negative_code_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst)) * S ((dst_negative_code_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst)) + ((dst_negative_scale_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst)))) * S ((((dst_positive_code_mask_source_resultfirst) + (dst_positive_scale_mask_source_resultfirst)) * S ((dst_positive_code_mask_source_resultfirst) + (dst_positive_scale_mask_source_resultfirst)) + ((dst_positive_scale_mask_source_resultfirst) + (dst_positive_scale_mask_source_resultfirst))) + (((dst_negative_code_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst)) * S ((dst_negative_code_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst)) + ((dst_negative_scale_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst)))) + ((((dst_negative_code_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst)) * S ((dst_negative_code_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst)) + ((dst_negative_scale_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst))) + (((dst_negative_code_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst)) * S ((dst_negative_code_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst)) + ((dst_negative_scale_mask_source_resultfirst) + (dst_negative_scale_mask_source_resultfirst)))))) /\ (((((exists ff_h_pvs_mask_source_resultfirstpositive. ff_h_pvs_mask_source_resultfirstpositive + S (dst_positive_mask_source_resultfirst) = S ((S (dst_index_mask_source_result)) * dst_positive_scale_mask_source_resultfirst)) /\ exists ff_q_pvs_mask_source_resultfirstpositive. dst_positive_code_mask_source_resultfirst = ff_q_pvs_mask_source_resultfirstpositive * S ((S (dst_index_mask_source_result)) * dst_positive_scale_mask_source_resultfirst) + (dst_positive_mask_source_resultfirst))) /\ (((((exists ff_h_pvs_mask_source_resultfirstnegative. ff_h_pvs_mask_source_resultfirstnegative + S (dst_negative_mask_source_resultfirst) = S ((S (dst_index_mask_source_result)) * dst_negative_scale_mask_source_resultfirst)) /\ exists ff_q_pvs_mask_source_resultfirstnegative. dst_negative_code_mask_source_resultfirst = ff_q_pvs_mask_source_resultfirstnegative * S ((S (dst_index_mask_source_result)) * dst_negative_scale_mask_source_resultfirst) + (dst_negative_mask_source_resultfirst))) /\ (exists ge_balance_positive_mask_source_resultfirstvalue ge_balance_negative_mask_source_resultfirstvalue. (((((dst_first_mask_source_result) = 2 * (ge_balance_positive_mask_source_resultfirstvalue) /\ (ge_balance_negative_mask_source_resultfirstvalue) = 0) \/ exists ge_signed_half_mask_source_resultfirstvaluedecode. (((dst_first_mask_source_result) = 2 * ge_signed_half_mask_source_resultfirstvaluedecode + 1 /\ (ge_balance_positive_mask_source_resultfirstvalue) = 0) /\ (ge_balance_negative_mask_source_resultfirstvalue) = S ge_signed_half_mask_source_resultfirstvaluedecode))) /\ ((dst_positive_mask_source_resultfirst) + ge_balance_negative_mask_source_resultfirstvalue = (dst_negative_mask_source_resultfirst) + ge_balance_positive_mask_source_resultfirstvalue))))))))) -> (exists dst_positive_code_mask_source_resultsecond dst_positive_scale_mask_source_resultsecond dst_negative_code_mask_source_resultsecond dst_negative_scale_mask_source_resultsecond dst_positive_mask_source_resultsecond dst_negative_mask_source_resultsecond. (((K) = (((((dst_positive_code_mask_source_resultsecond) + (dst_positive_scale_mask_source_resultsecond)) * S ((dst_positive_code_mask_source_resultsecond) + (dst_positive_scale_mask_source_resultsecond)) + ((dst_positive_scale_mask_source_resultsecond) + (dst_positive_scale_mask_source_resultsecond))) + (((dst_negative_code_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond)) * S ((dst_negative_code_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond)) + ((dst_negative_scale_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond)))) * S ((((dst_positive_code_mask_source_resultsecond) + (dst_positive_scale_mask_source_resultsecond)) * S ((dst_positive_code_mask_source_resultsecond) + (dst_positive_scale_mask_source_resultsecond)) + ((dst_positive_scale_mask_source_resultsecond) + (dst_positive_scale_mask_source_resultsecond))) + (((dst_negative_code_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond)) * S ((dst_negative_code_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond)) + ((dst_negative_scale_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond)))) + ((((dst_negative_code_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond)) * S ((dst_negative_code_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond)) + ((dst_negative_scale_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond))) + (((dst_negative_code_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond)) * S ((dst_negative_code_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond)) + ((dst_negative_scale_mask_source_resultsecond) + (dst_negative_scale_mask_source_resultsecond)))))) /\ (((((exists ff_h_pvs_mask_source_resultsecondpositive. ff_h_pvs_mask_source_resultsecondpositive + S (dst_positive_mask_source_resultsecond) = S ((S (dst_index_mask_source_result)) * dst_positive_scale_mask_source_resultsecond)) /\ exists ff_q_pvs_mask_source_resultsecondpositive. dst_positive_code_mask_source_resultsecond = ff_q_pvs_mask_source_resultsecondpositive * S ((S (dst_index_mask_source_result)) * dst_positive_scale_mask_source_resultsecond) + (dst_positive_mask_source_resultsecond))) /\ (((((exists ff_h_pvs_mask_source_resultsecondnegative. ff_h_pvs_mask_source_resultsecondnegative + S (dst_negative_mask_source_resultsecond) = S ((S (dst_index_mask_source_result)) * dst_negative_scale_mask_source_resultsecond)) /\ exists ff_q_pvs_mask_source_resultsecondnegative. dst_negative_code_mask_source_resultsecond = ff_q_pvs_mask_source_resultsecondnegative * S ((S (dst_index_mask_source_result)) * dst_negative_scale_mask_source_resultsecond) + (dst_negative_mask_source_resultsecond))) /\ (exists ge_balance_positive_mask_source_resultsecondvalue ge_balance_negative_mask_source_resultsecondvalue. (((((dst_second_mask_source_result) = 2 * (ge_balance_positive_mask_source_resultsecondvalue) /\ (ge_balance_negative_mask_source_resultsecondvalue) = 0) \/ exists ge_signed_half_mask_source_resultsecondvaluedecode. (((dst_second_mask_source_result) = 2 * ge_signed_half_mask_source_resultsecondvaluedecode + 1 /\ (ge_balance_positive_mask_source_resultsecondvalue) = 0) /\ (ge_balance_negative_mask_source_resultsecondvalue) = S ge_signed_half_mask_source_resultsecondvaluedecode))) /\ ((dst_positive_mask_source_resultsecond) + ge_balance_negative_mask_source_resultsecondvalue = (dst_negative_mask_source_resultsecond) + ge_balance_positive_mask_source_resultsecondvalue))))))))) -> dst_first_mask_source_result = dst_second_mask_source_result)

Constructive proof overview

Generated structural guide

Positive-only equality of arbitrary inputs yields full equality of their actual divisor masks, including the forced zero output at index zero.

The unchanged tactic script uses 2 declared prerequisites and contains 40 exact native proof lines.

Alpha v34 checked-use · first admitted v31 · independently kernel and Lean verified; not Stable

Proof neighborhood

Direct dependencies

le_of_succ_le_succ Stable theorem; checked-use authorized DV001E divisor_mask_entry_positive_source_extensional

Direct dependents

Formal native tactic body

Dependencies are introduced as named hypotheses before line 1. Local theorem links identify exact declared prerequisites. This exact body belongs to a complete independently kernel-checked constructive proof bundle and has Alpha checked-use authority; it does not imply Stable membership.

Read the argument

Proof checkpoints

40 script commands · 6 reading checkpoints · 1 local claims

This is a reading aid, not a new proof or a proof-tree certificate. Checkpoint groups are consecutive commands, not inferred branch boundaries. Every step links to the preserved script.

Named ingredients (1)
01Fix variables and assumptionsL1–8

Work with arbitrary variables or the premises of the current implication.

  1. L1
    intro F
  2. L2
    intro G
  3. L3
    intro n
  4. L4
    intro M
  5. L5
    intro K
  6. L6
    intro he
  7. L7
    intro hM
  8. L8
    intro hK
02Separate the logical casesL9–10

Follow the explicit conjunction, disjunction, witness, or contradiction step recorded below.

  1. L9
    cases hM
  2. L10
    cases hK
03Fix variables and assumptionsL11–16

Work with arbitrary variables or the premises of the current implication.

  1. L11
    intro d
  2. L12
    intro a
  3. L13
    intro b
  4. L14
    intro hd
  5. L15
    intro ha
  6. L16
    intro hb
04Establish hboundL17–26

Establish this local claim before using it. It is not an additional assumption. The following proof commands apply le of succ le succ.

  1. L17
    have hbound : exists pvs_le_gap_mask_source_bound. pvs_le_gap_mask_source_bound + (d) = (n)
  2. L18
    specialize le_of_succ_le_succ (d)
  3. L19
    specialize le_of_succ_le_succ (n)
  4. L20
    apply le_of_succ_le_succ
  5. L21
    exact hd
  6. L22
    specialize divisor_mask_entry_positive_source_extensional (F)
  7. L23
    specialize divisor_mask_entry_positive_source_extensional (G)
  8. L24
    specialize divisor_mask_entry_positive_source_extensional (n)
  9. L25
    specialize divisor_mask_entry_positive_source_extensional (d)
  10. L26
    specialize divisor_mask_entry_positive_source_extensional (a)
05Use earlier factsL27–36

Instantiate or apply named facts and discharge the corresponding proof obligations.

  1. L27
    specialize divisor_mask_entry_positive_source_extensional (b)
  2. L28
    apply divisor_mask_entry_positive_source_extensional
  3. L29
    exact he
  4. L30
    exact hbound
  5. L31
    specialize hM_right (d)
  6. L32
    specialize hM_right (a)
  7. L33
    apply hM_right
  8. L34
    exact hbound
  9. L35
    exact ha
  10. L36
    specialize hK_right (d)
06Use earlier factsL37–40

Instantiate or apply named facts and discharge the corresponding proof obligations.

  1. L37
    specialize hK_right (b)
  2. L38
    apply hK_right
  3. L39
    exact hbound
  4. L40
    exact hb

Library-wide reading audit

Original exact command ledger · 40 lines
  1. 0001intro F
  2. 0002intro G
  3. 0003intro n
  4. 0004intro M
  5. 0005intro K
  6. 0006intro he
  7. 0007intro hM
  8. 0008intro hK
  9. 0009cases hM
  10. 0010cases hK
  11. 0011intro d
  12. 0012intro a
  13. 0013intro b
  14. 0014intro hd
  15. 0015intro ha
  16. 0016intro hb
  17. 0017have hbound : exists pvs_le_gap_mask_source_bound. pvs_le_gap_mask_source_bound + (d) = (n)
  18. 0018specialize le_of_succ_le_succ (d)
  19. 0019specialize le_of_succ_le_succ (n)
  20. 0020apply le_of_succ_le_succ
  21. 0021exact hd
  22. 0022specialize divisor_mask_entry_positive_source_extensional (F)
  23. 0023specialize divisor_mask_entry_positive_source_extensional (G)
  24. 0024specialize divisor_mask_entry_positive_source_extensional (n)
  25. 0025specialize divisor_mask_entry_positive_source_extensional (d)
  26. 0026specialize divisor_mask_entry_positive_source_extensional (a)
  27. 0027specialize divisor_mask_entry_positive_source_extensional (b)
  28. 0028apply divisor_mask_entry_positive_source_extensional
  29. 0029exact he
  30. 0030exact hbound
  31. 0031specialize hM_right (d)
  32. 0032specialize hM_right (a)
  33. 0033apply hM_right
  34. 0034exact hbound
  35. 0035exact ha
  36. 0036specialize hK_right (d)
  37. 0037specialize hK_right (b)
  38. 0038apply hK_right
  39. 0039exact hbound
  40. 0040exact hb