Exact expanded PA statement
forall n c d. (((exists bcf_lt_gap_bcbsr_predecessor_out_of_range. bcf_lt_gap_bcbsr_predecessor_out_of_range + S (n + n) = n) /\ c = 0) \/ ((exists bcf_le_gap_bcbsr_predecessor_in_range. bcf_le_gap_bcbsr_predecessor_in_range + (n) = n + n) /\ (exists bcf_row_code_code_bcbsr_predecessor bcf_row_code_scale_bcbsr_predecessor bcf_row_scale_code_bcbsr_predecessor bcf_row_scale_scale_bcbsr_predecessor bcf_row_code_bcbsr_predecessor bcf_row_scale_bcbsr_predecessor. ((forall bcf_row_index_bcbsr_predecessor_table. (exists bcf_lt_gap_bcbsr_predecessor_table_row_bound. bcf_lt_gap_bcbsr_predecessor_table_row_bound + S (bcf_row_index_bcbsr_predecessor_table) = S (n + n)) -> exists bcf_row_code_bcbsr_predecessor_table bcf_row_scale_bcbsr_predecessor_table. ((((exists bcf_height_bcbsr_predecessor_table_decoded_row_code. bcf_height_bcbsr_predecessor_table_decoded_row_code + S (bcf_row_code_bcbsr_predecessor_table) = S ((S (bcf_row_index_bcbsr_predecessor_table)) * bcf_row_code_scale_bcbsr_predecessor)) /\ exists bcf_quotient_bcbsr_predecessor_table_decoded_row_code. bcf_row_code_code_bcbsr_predecessor = bcf_quotient_bcbsr_predecessor_table_decoded_row_code * S ((S (bcf_row_index_bcbsr_predecessor_table)) * bcf_row_code_scale_bcbsr_predecessor) + (bcf_row_code_bcbsr_predecessor_table))) /\ ((((exists bcf_height_bcbsr_predecessor_table_decoded_row_scale. bcf_height_bcbsr_predecessor_table_decoded_row_scale + S (bcf_row_scale_bcbsr_predecessor_table) = S ((S (bcf_row_index_bcbsr_predecessor_table)) * bcf_row_scale_scale_bcbsr_predecessor)) /\ exists bcf_quotient_bcbsr_predecessor_table_decoded_row_scale. bcf_row_scale_code_bcbsr_predecessor = bcf_quotient_bcbsr_predecessor_table_decoded_row_scale * S ((S (bcf_row_index_bcbsr_predecessor_table)) * bcf_row_scale_scale_bcbsr_predecessor) + (bcf_row_scale_bcbsr_predecessor_table))) /\ ((bcf_row_index_bcbsr_predecessor_table = 0 /\ (forall bcf_index_bcbsr_predecessor_table_zero_row. (exists bcf_lt_gap_bcbsr_predecessor_table_zero_row_bound. bcf_lt_gap_bcbsr_predecessor_table_zero_row_bound + S (bcf_index_bcbsr_predecessor_table_zero_row) = S (n + n)) -> exists bcf_value_bcbsr_predecessor_table_zero_row. ((((exists bcf_height_bcbsr_predecessor_table_zero_row_entry. bcf_height_bcbsr_predecessor_table_zero_row_entry + S (bcf_value_bcbsr_predecessor_table_zero_row) = S ((S (bcf_index_bcbsr_predecessor_table_zero_row)) * bcf_row_scale_bcbsr_predecessor_table)) /\ exists bcf_quotient_bcbsr_predecessor_table_zero_row_entry. bcf_row_code_bcbsr_predecessor_table = bcf_quotient_bcbsr_predecessor_table_zero_row_entry * S ((S (bcf_index_bcbsr_predecessor_table_zero_row)) * bcf_row_scale_bcbsr_predecessor_table) + (bcf_value_bcbsr_predecessor_table_zero_row))) /\ ((bcf_index_bcbsr_predecessor_table_zero_row = 0 /\ bcf_value_bcbsr_predecessor_table_zero_row = 1) \/ exists bcf_predecessor_bcbsr_predecessor_table_zero_row. bcf_index_bcbsr_predecessor_table_zero_row = S bcf_predecessor_bcbsr_predecessor_table_zero_row /\ bcf_value_bcbsr_predecessor_table_zero_row = 0)))) \/ exists bcf_predecessor_bcbsr_predecessor_table bcf_previous_code_bcbsr_predecessor_table bcf_previous_scale_bcbsr_predecessor_table. bcf_row_index_bcbsr_predecessor_table = S bcf_predecessor_bcbsr_predecessor_table /\ ((((exists bcf_height_bcbsr_predecessor_table_decoded_previous_code. bcf_height_bcbsr_predecessor_table_decoded_previous_code + S (bcf_previous_code_bcbsr_predecessor_table) = S ((S (bcf_predecessor_bcbsr_predecessor_table)) * bcf_row_code_scale_bcbsr_predecessor)) /\ exists bcf_quotient_bcbsr_predecessor_table_decoded_previous_code. bcf_row_code_code_bcbsr_predecessor = bcf_quotient_bcbsr_predecessor_table_decoded_previous_code * S ((S (bcf_predecessor_bcbsr_predecessor_table)) * bcf_row_code_scale_bcbsr_predecessor) + (bcf_previous_code_bcbsr_predecessor_table))) /\ ((((exists bcf_height_bcbsr_predecessor_table_decoded_previous_scale. bcf_height_bcbsr_predecessor_table_decoded_previous_scale + S (bcf_previous_scale_bcbsr_predecessor_table) = S ((S (bcf_predecessor_bcbsr_predecessor_table)) * bcf_row_scale_scale_bcbsr_predecessor)) /\ exists bcf_quotient_bcbsr_predecessor_table_decoded_previous_scale. bcf_row_scale_code_bcbsr_predecessor = bcf_quotient_bcbsr_predecessor_table_decoded_previous_scale * S ((S (bcf_predecessor_bcbsr_predecessor_table)) * bcf_row_scale_scale_bcbsr_predecessor) + (bcf_previous_scale_bcbsr_predecessor_table))) /\ (forall bcf_index_bcbsr_predecessor_table_row_step. (exists bcf_lt_gap_bcbsr_predecessor_table_row_step_bound. bcf_lt_gap_bcbsr_predecessor_table_row_step_bound + S (bcf_index_bcbsr_predecessor_table_row_step) = S (n + n)) -> exists bcf_value_bcbsr_predecessor_table_row_step. ((((exists bcf_height_bcbsr_predecessor_table_row_step_entry. bcf_height_bcbsr_predecessor_table_row_step_entry + S (bcf_value_bcbsr_predecessor_table_row_step) = S ((S (bcf_index_bcbsr_predecessor_table_row_step)) * bcf_row_scale_bcbsr_predecessor_table)) /\ exists bcf_quotient_bcbsr_predecessor_table_row_step_entry. bcf_row_code_bcbsr_predecessor_table = bcf_quotient_bcbsr_predecessor_table_row_step_entry * S ((S (bcf_index_bcbsr_predecessor_table_row_step)) * bcf_row_scale_bcbsr_predecessor_table) + (bcf_value_bcbsr_predecessor_table_row_step))) /\ ((bcf_index_bcbsr_predecessor_table_row_step = 0 /\ bcf_value_bcbsr_predecessor_table_row_step = 1) \/ exists bcf_predecessor_bcbsr_predecessor_table_row_step bcf_left_bcbsr_predecessor_table_row_step bcf_right_bcbsr_predecessor_table_row_step. bcf_index_bcbsr_predecessor_table_row_step = S bcf_predecessor_bcbsr_predecessor_table_row_step /\ ((((exists bcf_height_bcbsr_predecessor_table_row_step_previous_left. bcf_height_bcbsr_predecessor_table_row_step_previous_left + S (bcf_left_bcbsr_predecessor_table_row_step) = S ((S (bcf_predecessor_bcbsr_predecessor_table_row_step)) * bcf_previous_scale_bcbsr_predecessor_table)) /\ exists bcf_quotient_bcbsr_predecessor_table_row_step_previous_left. bcf_previous_code_bcbsr_predecessor_table = bcf_quotient_bcbsr_predecessor_table_row_step_previous_left * S ((S (bcf_predecessor_bcbsr_predecessor_table_row_step)) * bcf_previous_scale_bcbsr_predecessor_table) + (bcf_left_bcbsr_predecessor_table_row_step))) /\ ((((exists bcf_height_bcbsr_predecessor_table_row_step_previous_right. bcf_height_bcbsr_predecessor_table_row_step_previous_right + S (bcf_right_bcbsr_predecessor_table_row_step) = S ((S (S (bcf_predecessor_bcbsr_predecessor_table_row_step))) * bcf_previous_scale_bcbsr_predecessor_table)) /\ exists bcf_quotient_bcbsr_predecessor_table_row_step_previous_right. bcf_previous_code_bcbsr_predecessor_table = bcf_quotient_bcbsr_predecessor_table_row_step_previous_right * S ((S (S (bcf_predecessor_bcbsr_predecessor_table_row_step))) * bcf_previous_scale_bcbsr_predecessor_table) + (bcf_right_bcbsr_predecessor_table_row_step))) /\ bcf_value_bcbsr_predecessor_table_row_step = bcf_left_bcbsr_predecessor_table_row_step + bcf_right_bcbsr_predecessor_table_row_step))))))))))) /\ ((((exists bcf_height_bcbsr_predecessor_decoded_row_code. bcf_height_bcbsr_predecessor_decoded_row_code + S (bcf_row_code_bcbsr_predecessor) = S ((S (n + n)) * bcf_row_code_scale_bcbsr_predecessor)) /\ exists bcf_quotient_bcbsr_predecessor_decoded_row_code. bcf_row_code_code_bcbsr_predecessor = bcf_quotient_bcbsr_predecessor_decoded_row_code * S ((S (n + n)) * bcf_row_code_scale_bcbsr_predecessor) + (bcf_row_code_bcbsr_predecessor))) /\ ((((exists bcf_height_bcbsr_predecessor_decoded_row_scale. bcf_height_bcbsr_predecessor_decoded_row_scale + S (bcf_row_scale_bcbsr_predecessor) = S ((S (n + n)) * bcf_row_scale_scale_bcbsr_predecessor)) /\ exists bcf_quotient_bcbsr_predecessor_decoded_row_scale. bcf_row_scale_code_bcbsr_predecessor = bcf_quotient_bcbsr_predecessor_decoded_row_scale * S ((S (n + n)) * bcf_row_scale_scale_bcbsr_predecessor) + (bcf_row_scale_bcbsr_predecessor))) /\ (((exists bcf_height_bcbsr_predecessor_decoded_value. bcf_height_bcbsr_predecessor_decoded_value + S (c) = S ((S (n)) * bcf_row_scale_bcbsr_predecessor)) /\ exists bcf_quotient_bcbsr_predecessor_decoded_value. bcf_row_code_bcbsr_predecessor = bcf_quotient_bcbsr_predecessor_decoded_value * S ((S (n)) * bcf_row_scale_bcbsr_predecessor) + (c))))))))) -> (((exists bcf_lt_gap_bcbsr_successor_out_of_range. bcf_lt_gap_bcbsr_successor_out_of_range + S (S n + S n) = S n) /\ d = 0) \/ ((exists bcf_le_gap_bcbsr_successor_in_range. bcf_le_gap_bcbsr_successor_in_range + (S n) = S n + S n) /\ (exists bcf_row_code_code_bcbsr_successor bcf_row_code_scale_bcbsr_successor bcf_row_scale_code_bcbsr_successor bcf_row_scale_scale_bcbsr_successor bcf_row_code_bcbsr_successor bcf_row_scale_bcbsr_successor. ((forall bcf_row_index_bcbsr_successor_table. (exists bcf_lt_gap_bcbsr_successor_table_row_bound. bcf_lt_gap_bcbsr_successor_table_row_bound + S (bcf_row_index_bcbsr_successor_table) = S (S n + S n)) -> exists bcf_row_code_bcbsr_successor_table bcf_row_scale_bcbsr_successor_table. ((((exists bcf_height_bcbsr_successor_table_decoded_row_code. bcf_height_bcbsr_successor_table_decoded_row_code + S (bcf_row_code_bcbsr_successor_table) = S ((S (bcf_row_index_bcbsr_successor_table)) * bcf_row_code_scale_bcbsr_successor)) /\ exists bcf_quotient_bcbsr_successor_table_decoded_row_code. bcf_row_code_code_bcbsr_successor = bcf_quotient_bcbsr_successor_table_decoded_row_code * S ((S (bcf_row_index_bcbsr_successor_table)) * bcf_row_code_scale_bcbsr_successor) + (bcf_row_code_bcbsr_successor_table))) /\ ((((exists bcf_height_bcbsr_successor_table_decoded_row_scale. bcf_height_bcbsr_successor_table_decoded_row_scale + S (bcf_row_scale_bcbsr_successor_table) = S ((S (bcf_row_index_bcbsr_successor_table)) * bcf_row_scale_scale_bcbsr_successor)) /\ exists bcf_quotient_bcbsr_successor_table_decoded_row_scale. bcf_row_scale_code_bcbsr_successor = bcf_quotient_bcbsr_successor_table_decoded_row_scale * S ((S (bcf_row_index_bcbsr_successor_table)) * bcf_row_scale_scale_bcbsr_successor) + (bcf_row_scale_bcbsr_successor_table))) /\ ((bcf_row_index_bcbsr_successor_table = 0 /\ (forall bcf_index_bcbsr_successor_table_zero_row. (exists bcf_lt_gap_bcbsr_successor_table_zero_row_bound. bcf_lt_gap_bcbsr_successor_table_zero_row_bound + S (bcf_index_bcbsr_successor_table_zero_row) = S (S n + S n)) -> exists bcf_value_bcbsr_successor_table_zero_row. ((((exists bcf_height_bcbsr_successor_table_zero_row_entry. bcf_height_bcbsr_successor_table_zero_row_entry + S (bcf_value_bcbsr_successor_table_zero_row) = S ((S (bcf_index_bcbsr_successor_table_zero_row)) * bcf_row_scale_bcbsr_successor_table)) /\ exists bcf_quotient_bcbsr_successor_table_zero_row_entry. bcf_row_code_bcbsr_successor_table = bcf_quotient_bcbsr_successor_table_zero_row_entry * S ((S (bcf_index_bcbsr_successor_table_zero_row)) * bcf_row_scale_bcbsr_successor_table) + (bcf_value_bcbsr_successor_table_zero_row))) /\ ((bcf_index_bcbsr_successor_table_zero_row = 0 /\ bcf_value_bcbsr_successor_table_zero_row = 1) \/ exists bcf_predecessor_bcbsr_successor_table_zero_row. bcf_index_bcbsr_successor_table_zero_row = S bcf_predecessor_bcbsr_successor_table_zero_row /\ bcf_value_bcbsr_successor_table_zero_row = 0)))) \/ exists bcf_predecessor_bcbsr_successor_table bcf_previous_code_bcbsr_successor_table bcf_previous_scale_bcbsr_successor_table. bcf_row_index_bcbsr_successor_table = S bcf_predecessor_bcbsr_successor_table /\ ((((exists bcf_height_bcbsr_successor_table_decoded_previous_code. bcf_height_bcbsr_successor_table_decoded_previous_code + S (bcf_previous_code_bcbsr_successor_table) = S ((S (bcf_predecessor_bcbsr_successor_table)) * bcf_row_code_scale_bcbsr_successor)) /\ exists bcf_quotient_bcbsr_successor_table_decoded_previous_code. bcf_row_code_code_bcbsr_successor = bcf_quotient_bcbsr_successor_table_decoded_previous_code * S ((S (bcf_predecessor_bcbsr_successor_table)) * bcf_row_code_scale_bcbsr_successor) + (bcf_previous_code_bcbsr_successor_table))) /\ ((((exists bcf_height_bcbsr_successor_table_decoded_previous_scale. bcf_height_bcbsr_successor_table_decoded_previous_scale + S (bcf_previous_scale_bcbsr_successor_table) = S ((S (bcf_predecessor_bcbsr_successor_table)) * bcf_row_scale_scale_bcbsr_successor)) /\ exists bcf_quotient_bcbsr_successor_table_decoded_previous_scale. bcf_row_scale_code_bcbsr_successor = bcf_quotient_bcbsr_successor_table_decoded_previous_scale * S ((S (bcf_predecessor_bcbsr_successor_table)) * bcf_row_scale_scale_bcbsr_successor) + (bcf_previous_scale_bcbsr_successor_table))) /\ (forall bcf_index_bcbsr_successor_table_row_step. (exists bcf_lt_gap_bcbsr_successor_table_row_step_bound. bcf_lt_gap_bcbsr_successor_table_row_step_bound + S (bcf_index_bcbsr_successor_table_row_step) = S (S n + S n)) -> exists bcf_value_bcbsr_successor_table_row_step. ((((exists bcf_height_bcbsr_successor_table_row_step_entry. bcf_height_bcbsr_successor_table_row_step_entry + S (bcf_value_bcbsr_successor_table_row_step) = S ((S (bcf_index_bcbsr_successor_table_row_step)) * bcf_row_scale_bcbsr_successor_table)) /\ exists bcf_quotient_bcbsr_successor_table_row_step_entry. bcf_row_code_bcbsr_successor_table = bcf_quotient_bcbsr_successor_table_row_step_entry * S ((S (bcf_index_bcbsr_successor_table_row_step)) * bcf_row_scale_bcbsr_successor_table) + (bcf_value_bcbsr_successor_table_row_step))) /\ ((bcf_index_bcbsr_successor_table_row_step = 0 /\ bcf_value_bcbsr_successor_table_row_step = 1) \/ exists bcf_predecessor_bcbsr_successor_table_row_step bcf_left_bcbsr_successor_table_row_step bcf_right_bcbsr_successor_table_row_step. bcf_index_bcbsr_successor_table_row_step = S bcf_predecessor_bcbsr_successor_table_row_step /\ ((((exists bcf_height_bcbsr_successor_table_row_step_previous_left. bcf_height_bcbsr_successor_table_row_step_previous_left + S (bcf_left_bcbsr_successor_table_row_step) = S ((S (bcf_predecessor_bcbsr_successor_table_row_step)) * bcf_previous_scale_bcbsr_successor_table)) /\ exists bcf_quotient_bcbsr_successor_table_row_step_previous_left. bcf_previous_code_bcbsr_successor_table = bcf_quotient_bcbsr_successor_table_row_step_previous_left * S ((S (bcf_predecessor_bcbsr_successor_table_row_step)) * bcf_previous_scale_bcbsr_successor_table) + (bcf_left_bcbsr_successor_table_row_step))) /\ ((((exists bcf_height_bcbsr_successor_table_row_step_previous_right. bcf_height_bcbsr_successor_table_row_step_previous_right + S (bcf_right_bcbsr_successor_table_row_step) = S ((S (S (bcf_predecessor_bcbsr_successor_table_row_step))) * bcf_previous_scale_bcbsr_successor_table)) /\ exists bcf_quotient_bcbsr_successor_table_row_step_previous_right. bcf_previous_code_bcbsr_successor_table = bcf_quotient_bcbsr_successor_table_row_step_previous_right * S ((S (S (bcf_predecessor_bcbsr_successor_table_row_step))) * bcf_previous_scale_bcbsr_successor_table) + (bcf_right_bcbsr_successor_table_row_step))) /\ bcf_value_bcbsr_successor_table_row_step = bcf_left_bcbsr_successor_table_row_step + bcf_right_bcbsr_successor_table_row_step))))))))))) /\ ((((exists bcf_height_bcbsr_successor_decoded_row_code. bcf_height_bcbsr_successor_decoded_row_code + S (bcf_row_code_bcbsr_successor) = S ((S (S n + S n)) * bcf_row_code_scale_bcbsr_successor)) /\ exists bcf_quotient_bcbsr_successor_decoded_row_code. bcf_row_code_code_bcbsr_successor = bcf_quotient_bcbsr_successor_decoded_row_code * S ((S (S n + S n)) * bcf_row_code_scale_bcbsr_successor) + (bcf_row_code_bcbsr_successor))) /\ ((((exists bcf_height_bcbsr_successor_decoded_row_scale. bcf_height_bcbsr_successor_decoded_row_scale + S (bcf_row_scale_bcbsr_successor) = S ((S (S n + S n)) * bcf_row_scale_scale_bcbsr_successor)) /\ exists bcf_quotient_bcbsr_successor_decoded_row_scale. bcf_row_scale_code_bcbsr_successor = bcf_quotient_bcbsr_successor_decoded_row_scale * S ((S (S n + S n)) * bcf_row_scale_scale_bcbsr_successor) + (bcf_row_scale_bcbsr_successor))) /\ (((exists bcf_height_bcbsr_successor_decoded_value. bcf_height_bcbsr_successor_decoded_value + S (d) = S ((S (S n)) * bcf_row_scale_bcbsr_successor)) /\ exists bcf_quotient_bcbsr_successor_decoded_value. bcf_row_code_bcbsr_successor = bcf_quotient_bcbsr_successor_decoded_value * S ((S (S n)) * bcf_row_scale_bcbsr_successor) + (d))))))))) -> S n * d = (2 * S (n + n)) * cStructural proof guide
Successive central binomials satisfy the weighted recurrence.
Direct prerequisites: mul_add, mul_assoc, two_mul_eq_add_self, central_binom_succ_double_middle, choose_weighted_vertical. The authored body proceeds by case analysis (2), intermediate claims (2), equality transport (3).
Proof neighborhood
Direct dependencies
BT0007 mul_add BT0008 mul_assoc BT00QU two_mul_eq_add_self BT00TS central_binom_succ_double_middle BT00TT choose_weighted_verticalDirect dependents
Formal native tactic body
Dependencies are hypotheses of this body receipt. The focused endpoint audits separately check the complete empty-context certificates.
- 0001
intro n - 0002
intro c - 0003
intro d - 0004
intro hpredecessor - 0005
intro hsuccessor - 0006
have hmiddle : exists m. ((((exists bcf_lt_gap_bcbsr_middle_out_of_range. bcf_lt_gap_bcbsr_middle_out_of_range + S (S (n + n)) = n) /\ m = 0) \/ ((exists bcf_le_gap_bcbsr_middle_in_range. bcf_le_gap_bcbsr_middle_in_range + (n) = S (n + n)) /\ (exists bcf_row_code_code_bcbsr_middle bcf_row_code_scale_bcbsr_middle bcf_row_scale_code_bcbsr_middle bcf_row_scale_scale_bcbsr_middle bcf_row_code_bcbsr_middle bcf_row_scale_bcbsr_middle. ((forall bcf_row_index_bcbsr_middle_table. (exists bcf_lt_gap_bcbsr_middle_table_row_bound. bcf_lt_gap_bcbsr_middle_table_row_bound + S (bcf_row_index_bcbsr_middle_table) = S (S (n + n))) -> exists bcf_row_code_bcbsr_middle_table bcf_row_scale_bcbsr_middle_table. ((((exists bcf_height_bcbsr_middle_table_decoded_row_code. bcf_height_bcbsr_middle_table_decoded_row_code + S (bcf_row_code_bcbsr_middle_table) = S ((S (bcf_row_index_bcbsr_middle_table)) * bcf_row_code_scale_bcbsr_middle)) /\ exists bcf_quotient_bcbsr_middle_table_decoded_row_code. bcf_row_code_code_bcbsr_middle = bcf_quotient_bcbsr_middle_table_decoded_row_code * S ((S (bcf_row_index_bcbsr_middle_table)) * bcf_row_code_scale_bcbsr_middle) + (bcf_row_code_bcbsr_middle_table))) /\ ((((exists bcf_height_bcbsr_middle_table_decoded_row_scale. bcf_height_bcbsr_middle_table_decoded_row_scale + S (bcf_row_scale_bcbsr_middle_table) = S ((S (bcf_row_index_bcbsr_middle_table)) * bcf_row_scale_scale_bcbsr_middle)) /\ exists bcf_quotient_bcbsr_middle_table_decoded_row_scale. bcf_row_scale_code_bcbsr_middle = bcf_quotient_bcbsr_middle_table_decoded_row_scale * S ((S (bcf_row_index_bcbsr_middle_table)) * bcf_row_scale_scale_bcbsr_middle) + (bcf_row_scale_bcbsr_middle_table))) /\ ((bcf_row_index_bcbsr_middle_table = 0 /\ (forall bcf_index_bcbsr_middle_table_zero_row. (exists bcf_lt_gap_bcbsr_middle_table_zero_row_bound. bcf_lt_gap_bcbsr_middle_table_zero_row_bound + S (bcf_index_bcbsr_middle_table_zero_row) = S (S (n + n))) -> exists bcf_value_bcbsr_middle_table_zero_row. ((((exists bcf_height_bcbsr_middle_table_zero_row_entry. bcf_height_bcbsr_middle_table_zero_row_entry + S (bcf_value_bcbsr_middle_table_zero_row) = S ((S (bcf_index_bcbsr_middle_table_zero_row)) * bcf_row_scale_bcbsr_middle_table)) /\ exists bcf_quotient_bcbsr_middle_table_zero_row_entry. bcf_row_code_bcbsr_middle_table = bcf_quotient_bcbsr_middle_table_zero_row_entry * S ((S (bcf_index_bcbsr_middle_table_zero_row)) * bcf_row_scale_bcbsr_middle_table) + (bcf_value_bcbsr_middle_table_zero_row))) /\ ((bcf_index_bcbsr_middle_table_zero_row = 0 /\ bcf_value_bcbsr_middle_table_zero_row = 1) \/ exists bcf_predecessor_bcbsr_middle_table_zero_row. bcf_index_bcbsr_middle_table_zero_row = S bcf_predecessor_bcbsr_middle_table_zero_row /\ bcf_value_bcbsr_middle_table_zero_row = 0)))) \/ exists bcf_predecessor_bcbsr_middle_table bcf_previous_code_bcbsr_middle_table bcf_previous_scale_bcbsr_middle_table. bcf_row_index_bcbsr_middle_table = S bcf_predecessor_bcbsr_middle_table /\ ((((exists bcf_height_bcbsr_middle_table_decoded_previous_code. bcf_height_bcbsr_middle_table_decoded_previous_code + S (bcf_previous_code_bcbsr_middle_table) = S ((S (bcf_predecessor_bcbsr_middle_table)) * bcf_row_code_scale_bcbsr_middle)) /\ exists bcf_quotient_bcbsr_middle_table_decoded_previous_code. bcf_row_code_code_bcbsr_middle = bcf_quotient_bcbsr_middle_table_decoded_previous_code * S ((S (bcf_predecessor_bcbsr_middle_table)) * bcf_row_code_scale_bcbsr_middle) + (bcf_previous_code_bcbsr_middle_table))) /\ ((((exists bcf_height_bcbsr_middle_table_decoded_previous_scale. bcf_height_bcbsr_middle_table_decoded_previous_scale + S (bcf_previous_scale_bcbsr_middle_table) = S ((S (bcf_predecessor_bcbsr_middle_table)) * bcf_row_scale_scale_bcbsr_middle)) /\ exists bcf_quotient_bcbsr_middle_table_decoded_previous_scale. bcf_row_scale_code_bcbsr_middle = bcf_quotient_bcbsr_middle_table_decoded_previous_scale * S ((S (bcf_predecessor_bcbsr_middle_table)) * bcf_row_scale_scale_bcbsr_middle) + (bcf_previous_scale_bcbsr_middle_table))) /\ (forall bcf_index_bcbsr_middle_table_row_step. (exists bcf_lt_gap_bcbsr_middle_table_row_step_bound. bcf_lt_gap_bcbsr_middle_table_row_step_bound + S (bcf_index_bcbsr_middle_table_row_step) = S (S (n + n))) -> exists bcf_value_bcbsr_middle_table_row_step. ((((exists bcf_height_bcbsr_middle_table_row_step_entry. bcf_height_bcbsr_middle_table_row_step_entry + S (bcf_value_bcbsr_middle_table_row_step) = S ((S (bcf_index_bcbsr_middle_table_row_step)) * bcf_row_scale_bcbsr_middle_table)) /\ exists bcf_quotient_bcbsr_middle_table_row_step_entry. bcf_row_code_bcbsr_middle_table = bcf_quotient_bcbsr_middle_table_row_step_entry * S ((S (bcf_index_bcbsr_middle_table_row_step)) * bcf_row_scale_bcbsr_middle_table) + (bcf_value_bcbsr_middle_table_row_step))) /\ ((bcf_index_bcbsr_middle_table_row_step = 0 /\ bcf_value_bcbsr_middle_table_row_step = 1) \/ exists bcf_predecessor_bcbsr_middle_table_row_step bcf_left_bcbsr_middle_table_row_step bcf_right_bcbsr_middle_table_row_step. bcf_index_bcbsr_middle_table_row_step = S bcf_predecessor_bcbsr_middle_table_row_step /\ ((((exists bcf_height_bcbsr_middle_table_row_step_previous_left. bcf_height_bcbsr_middle_table_row_step_previous_left + S (bcf_left_bcbsr_middle_table_row_step) = S ((S (bcf_predecessor_bcbsr_middle_table_row_step)) * bcf_previous_scale_bcbsr_middle_table)) /\ exists bcf_quotient_bcbsr_middle_table_row_step_previous_left. bcf_previous_code_bcbsr_middle_table = bcf_quotient_bcbsr_middle_table_row_step_previous_left * S ((S (bcf_predecessor_bcbsr_middle_table_row_step)) * bcf_previous_scale_bcbsr_middle_table) + (bcf_left_bcbsr_middle_table_row_step))) /\ ((((exists bcf_height_bcbsr_middle_table_row_step_previous_right. bcf_height_bcbsr_middle_table_row_step_previous_right + S (bcf_right_bcbsr_middle_table_row_step) = S ((S (S (bcf_predecessor_bcbsr_middle_table_row_step))) * bcf_previous_scale_bcbsr_middle_table)) /\ exists bcf_quotient_bcbsr_middle_table_row_step_previous_right. bcf_previous_code_bcbsr_middle_table = bcf_quotient_bcbsr_middle_table_row_step_previous_right * S ((S (S (bcf_predecessor_bcbsr_middle_table_row_step))) * bcf_previous_scale_bcbsr_middle_table) + (bcf_right_bcbsr_middle_table_row_step))) /\ bcf_value_bcbsr_middle_table_row_step = bcf_left_bcbsr_middle_table_row_step + bcf_right_bcbsr_middle_table_row_step))))))))))) /\ ((((exists bcf_height_bcbsr_middle_decoded_row_code. bcf_height_bcbsr_middle_decoded_row_code + S (bcf_row_code_bcbsr_middle) = S ((S (S (n + n))) * bcf_row_code_scale_bcbsr_middle)) /\ exists bcf_quotient_bcbsr_middle_decoded_row_code. bcf_row_code_code_bcbsr_middle = bcf_quotient_bcbsr_middle_decoded_row_code * S ((S (S (n + n))) * bcf_row_code_scale_bcbsr_middle) + (bcf_row_code_bcbsr_middle))) /\ ((((exists bcf_height_bcbsr_middle_decoded_row_scale. bcf_height_bcbsr_middle_decoded_row_scale + S (bcf_row_scale_bcbsr_middle) = S ((S (S (n + n))) * bcf_row_scale_scale_bcbsr_middle)) /\ exists bcf_quotient_bcbsr_middle_decoded_row_scale. bcf_row_scale_code_bcbsr_middle = bcf_quotient_bcbsr_middle_decoded_row_scale * S ((S (S (n + n))) * bcf_row_scale_scale_bcbsr_middle) + (bcf_row_scale_bcbsr_middle))) /\ (((exists bcf_height_bcbsr_middle_decoded_value. bcf_height_bcbsr_middle_decoded_value + S (m) = S ((S (n)) * bcf_row_scale_bcbsr_middle)) /\ exists bcf_quotient_bcbsr_middle_decoded_value. bcf_row_code_bcbsr_middle = bcf_quotient_bcbsr_middle_decoded_value * S ((S (n)) * bcf_row_scale_bcbsr_middle) + (m))))))))) /\ d = m + m) - 0007
specialize central_binom_succ_double_middle n - 0008
specialize central_binom_succ_double_middle d - 0009
apply central_binom_succ_double_middle - 0010
exact hsuccessor - 0011
cases hmiddle - 0012
cases hmiddle_witness - 0013
have hweighted : S n * x = S (n + n) * c - 0014
specialize choose_weighted_vertical (n + n) - 0015
specialize choose_weighted_vertical n - 0016
specialize choose_weighted_vertical n - 0017
specialize choose_weighted_vertical c - 0018
specialize choose_weighted_vertical x - 0019
apply choose_weighted_vertical - 0020
refl - 0021
exact hpredecessor - 0022
exact hmiddle_witness_left - 0023
rewrite hmiddle_witness_right - 0024
trans S n * x + S n * x - 0025
apply mul_add - 0026
rewrite hweighted - 0027
rewrite hweighted - 0028
trans 2 * (S (n + n) * c) - 0029
specialize two_mul_eq_add_self (S (n + n) * c) - 0030
symm - 0031
exact two_mul_eq_add_self - 0032
specialize mul_assoc 2 - 0033
specialize mul_assoc (S (n + n)) - 0034
specialize mul_assoc c - 0035
symm - 0036
exact mul_assoc