BT00TN

central_binom_exists

Alpha body-checked ยท checked-use disabled

Every row has a relational central-binomial value.

Exact expanded PA statement

forall n. exists z. (((exists bcf_lt_gap_bcbe_result_out_of_range. bcf_lt_gap_bcbe_result_out_of_range + S (n + n) = n) /\ z = 0) \/ ((exists bcf_le_gap_bcbe_result_in_range. bcf_le_gap_bcbe_result_in_range + (n) = n + n) /\ (exists bcf_row_code_code_bcbe_result bcf_row_code_scale_bcbe_result bcf_row_scale_code_bcbe_result bcf_row_scale_scale_bcbe_result bcf_row_code_bcbe_result bcf_row_scale_bcbe_result. ((forall bcf_row_index_bcbe_result_table. (exists bcf_lt_gap_bcbe_result_table_row_bound. bcf_lt_gap_bcbe_result_table_row_bound + S (bcf_row_index_bcbe_result_table) = S (n + n)) -> exists bcf_row_code_bcbe_result_table bcf_row_scale_bcbe_result_table. ((((exists bcf_height_bcbe_result_table_decoded_row_code. bcf_height_bcbe_result_table_decoded_row_code + S (bcf_row_code_bcbe_result_table) = S ((S (bcf_row_index_bcbe_result_table)) * bcf_row_code_scale_bcbe_result)) /\ exists bcf_quotient_bcbe_result_table_decoded_row_code. bcf_row_code_code_bcbe_result = bcf_quotient_bcbe_result_table_decoded_row_code * S ((S (bcf_row_index_bcbe_result_table)) * bcf_row_code_scale_bcbe_result) + (bcf_row_code_bcbe_result_table))) /\ ((((exists bcf_height_bcbe_result_table_decoded_row_scale. bcf_height_bcbe_result_table_decoded_row_scale + S (bcf_row_scale_bcbe_result_table) = S ((S (bcf_row_index_bcbe_result_table)) * bcf_row_scale_scale_bcbe_result)) /\ exists bcf_quotient_bcbe_result_table_decoded_row_scale. bcf_row_scale_code_bcbe_result = bcf_quotient_bcbe_result_table_decoded_row_scale * S ((S (bcf_row_index_bcbe_result_table)) * bcf_row_scale_scale_bcbe_result) + (bcf_row_scale_bcbe_result_table))) /\ ((bcf_row_index_bcbe_result_table = 0 /\ (forall bcf_index_bcbe_result_table_zero_row. (exists bcf_lt_gap_bcbe_result_table_zero_row_bound. bcf_lt_gap_bcbe_result_table_zero_row_bound + S (bcf_index_bcbe_result_table_zero_row) = S (n + n)) -> exists bcf_value_bcbe_result_table_zero_row. ((((exists bcf_height_bcbe_result_table_zero_row_entry. bcf_height_bcbe_result_table_zero_row_entry + S (bcf_value_bcbe_result_table_zero_row) = S ((S (bcf_index_bcbe_result_table_zero_row)) * bcf_row_scale_bcbe_result_table)) /\ exists bcf_quotient_bcbe_result_table_zero_row_entry. bcf_row_code_bcbe_result_table = bcf_quotient_bcbe_result_table_zero_row_entry * S ((S (bcf_index_bcbe_result_table_zero_row)) * bcf_row_scale_bcbe_result_table) + (bcf_value_bcbe_result_table_zero_row))) /\ ((bcf_index_bcbe_result_table_zero_row = 0 /\ bcf_value_bcbe_result_table_zero_row = 1) \/ exists bcf_predecessor_bcbe_result_table_zero_row. bcf_index_bcbe_result_table_zero_row = S bcf_predecessor_bcbe_result_table_zero_row /\ bcf_value_bcbe_result_table_zero_row = 0)))) \/ exists bcf_predecessor_bcbe_result_table bcf_previous_code_bcbe_result_table bcf_previous_scale_bcbe_result_table. bcf_row_index_bcbe_result_table = S bcf_predecessor_bcbe_result_table /\ ((((exists bcf_height_bcbe_result_table_decoded_previous_code. bcf_height_bcbe_result_table_decoded_previous_code + S (bcf_previous_code_bcbe_result_table) = S ((S (bcf_predecessor_bcbe_result_table)) * bcf_row_code_scale_bcbe_result)) /\ exists bcf_quotient_bcbe_result_table_decoded_previous_code. bcf_row_code_code_bcbe_result = bcf_quotient_bcbe_result_table_decoded_previous_code * S ((S (bcf_predecessor_bcbe_result_table)) * bcf_row_code_scale_bcbe_result) + (bcf_previous_code_bcbe_result_table))) /\ ((((exists bcf_height_bcbe_result_table_decoded_previous_scale. bcf_height_bcbe_result_table_decoded_previous_scale + S (bcf_previous_scale_bcbe_result_table) = S ((S (bcf_predecessor_bcbe_result_table)) * bcf_row_scale_scale_bcbe_result)) /\ exists bcf_quotient_bcbe_result_table_decoded_previous_scale. bcf_row_scale_code_bcbe_result = bcf_quotient_bcbe_result_table_decoded_previous_scale * S ((S (bcf_predecessor_bcbe_result_table)) * bcf_row_scale_scale_bcbe_result) + (bcf_previous_scale_bcbe_result_table))) /\ (forall bcf_index_bcbe_result_table_row_step. (exists bcf_lt_gap_bcbe_result_table_row_step_bound. bcf_lt_gap_bcbe_result_table_row_step_bound + S (bcf_index_bcbe_result_table_row_step) = S (n + n)) -> exists bcf_value_bcbe_result_table_row_step. ((((exists bcf_height_bcbe_result_table_row_step_entry. bcf_height_bcbe_result_table_row_step_entry + S (bcf_value_bcbe_result_table_row_step) = S ((S (bcf_index_bcbe_result_table_row_step)) * bcf_row_scale_bcbe_result_table)) /\ exists bcf_quotient_bcbe_result_table_row_step_entry. bcf_row_code_bcbe_result_table = bcf_quotient_bcbe_result_table_row_step_entry * S ((S (bcf_index_bcbe_result_table_row_step)) * bcf_row_scale_bcbe_result_table) + (bcf_value_bcbe_result_table_row_step))) /\ ((bcf_index_bcbe_result_table_row_step = 0 /\ bcf_value_bcbe_result_table_row_step = 1) \/ exists bcf_predecessor_bcbe_result_table_row_step bcf_left_bcbe_result_table_row_step bcf_right_bcbe_result_table_row_step. bcf_index_bcbe_result_table_row_step = S bcf_predecessor_bcbe_result_table_row_step /\ ((((exists bcf_height_bcbe_result_table_row_step_previous_left. bcf_height_bcbe_result_table_row_step_previous_left + S (bcf_left_bcbe_result_table_row_step) = S ((S (bcf_predecessor_bcbe_result_table_row_step)) * bcf_previous_scale_bcbe_result_table)) /\ exists bcf_quotient_bcbe_result_table_row_step_previous_left. bcf_previous_code_bcbe_result_table = bcf_quotient_bcbe_result_table_row_step_previous_left * S ((S (bcf_predecessor_bcbe_result_table_row_step)) * bcf_previous_scale_bcbe_result_table) + (bcf_left_bcbe_result_table_row_step))) /\ ((((exists bcf_height_bcbe_result_table_row_step_previous_right. bcf_height_bcbe_result_table_row_step_previous_right + S (bcf_right_bcbe_result_table_row_step) = S ((S (S (bcf_predecessor_bcbe_result_table_row_step))) * bcf_previous_scale_bcbe_result_table)) /\ exists bcf_quotient_bcbe_result_table_row_step_previous_right. bcf_previous_code_bcbe_result_table = bcf_quotient_bcbe_result_table_row_step_previous_right * S ((S (S (bcf_predecessor_bcbe_result_table_row_step))) * bcf_previous_scale_bcbe_result_table) + (bcf_right_bcbe_result_table_row_step))) /\ bcf_value_bcbe_result_table_row_step = bcf_left_bcbe_result_table_row_step + bcf_right_bcbe_result_table_row_step))))))))))) /\ ((((exists bcf_height_bcbe_result_decoded_row_code. bcf_height_bcbe_result_decoded_row_code + S (bcf_row_code_bcbe_result) = S ((S (n + n)) * bcf_row_code_scale_bcbe_result)) /\ exists bcf_quotient_bcbe_result_decoded_row_code. bcf_row_code_code_bcbe_result = bcf_quotient_bcbe_result_decoded_row_code * S ((S (n + n)) * bcf_row_code_scale_bcbe_result) + (bcf_row_code_bcbe_result))) /\ ((((exists bcf_height_bcbe_result_decoded_row_scale. bcf_height_bcbe_result_decoded_row_scale + S (bcf_row_scale_bcbe_result) = S ((S (n + n)) * bcf_row_scale_scale_bcbe_result)) /\ exists bcf_quotient_bcbe_result_decoded_row_scale. bcf_row_scale_code_bcbe_result = bcf_quotient_bcbe_result_decoded_row_scale * S ((S (n + n)) * bcf_row_scale_scale_bcbe_result) + (bcf_row_scale_bcbe_result))) /\ (((exists bcf_height_bcbe_result_decoded_value. bcf_height_bcbe_result_decoded_value + S (z) = S ((S (n)) * bcf_row_scale_bcbe_result)) /\ exists bcf_quotient_bcbe_result_decoded_value. bcf_row_code_bcbe_result = bcf_quotient_bcbe_result_decoded_value * S ((S (n)) * bcf_row_scale_bcbe_result) + (z)))))))))

Structural proof guide

Every row has a relational central-binomial value.

Direct prerequisites: choose_exists. The authored body proceeds by direct introduction and elimination.

Proof neighborhood

Direct dependencies

Direct dependents

Formal native tactic body

Dependencies are hypotheses of this body receipt. The focused endpoint audits separately check the complete empty-context certificates.

  1. 0001intro n
  2. 0002specialize choose_exists (n + n)
  3. 0003specialize choose_exists n
  4. 0004exact choose_exists