MK000D

multinomial_exists_of_sum

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

An actual finite sum of parts has an actual iterated-binomial multinomial coefficient.

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 original first-admission records.

Exact expanded first-order arithmetic statement

forall b c l n. (exists fs_u_mkm_exists_sum fs_v_mkm_exists_sum. ((((exists fs_h_mkm_exists_sum_body_start. fs_h_mkm_exists_sum_body_start + S (0) = S ((S (0)) * fs_v_mkm_exists_sum)) /\ exists fs_q_mkm_exists_sum_body_start. fs_u_mkm_exists_sum = fs_q_mkm_exists_sum_body_start * S ((S (0)) * fs_v_mkm_exists_sum) + (0))) /\ ((((exists fs_h_mkm_exists_sum_body_terminal. fs_h_mkm_exists_sum_body_terminal + S (n) = S ((S (l)) * fs_v_mkm_exists_sum)) /\ exists fs_q_mkm_exists_sum_body_terminal. fs_u_mkm_exists_sum = fs_q_mkm_exists_sum_body_terminal * S ((S (l)) * fs_v_mkm_exists_sum) + (n))) /\ forall fs_i_mkm_exists_sum_body_steps. (exists fs_lt_mkm_exists_sum_body_steps_bound. fs_lt_mkm_exists_sum_body_steps_bound + S fs_i_mkm_exists_sum_body_steps = l) -> exists fs_a_mkm_exists_sum_body_steps fs_r_mkm_exists_sum_body_steps fs_s_mkm_exists_sum_body_steps. ((((exists fs_h_mkm_exists_sum_body_steps_summand. fs_h_mkm_exists_sum_body_steps_summand + S (fs_a_mkm_exists_sum_body_steps) = S ((S (fs_i_mkm_exists_sum_body_steps)) * c)) /\ exists fs_q_mkm_exists_sum_body_steps_summand. b = fs_q_mkm_exists_sum_body_steps_summand * S ((S (fs_i_mkm_exists_sum_body_steps)) * c) + (fs_a_mkm_exists_sum_body_steps))) /\ ((((exists fs_h_mkm_exists_sum_body_steps_partial. fs_h_mkm_exists_sum_body_steps_partial + S (fs_r_mkm_exists_sum_body_steps) = S ((S (fs_i_mkm_exists_sum_body_steps)) * fs_v_mkm_exists_sum)) /\ exists fs_q_mkm_exists_sum_body_steps_partial. fs_u_mkm_exists_sum = fs_q_mkm_exists_sum_body_steps_partial * S ((S (fs_i_mkm_exists_sum_body_steps)) * fs_v_mkm_exists_sum) + (fs_r_mkm_exists_sum_body_steps))) /\ ((((exists fs_h_mkm_exists_sum_body_steps_successor. fs_h_mkm_exists_sum_body_steps_successor + S (fs_s_mkm_exists_sum_body_steps) = S ((S (S fs_i_mkm_exists_sum_body_steps)) * fs_v_mkm_exists_sum)) /\ exists fs_q_mkm_exists_sum_body_steps_successor. fs_u_mkm_exists_sum = fs_q_mkm_exists_sum_body_steps_successor * S ((S (S fs_i_mkm_exists_sum_body_steps)) * fs_v_mkm_exists_sum) + (fs_s_mkm_exists_sum_body_steps))) /\ fs_s_mkm_exists_sum_body_steps = fs_r_mkm_exists_sum_body_steps + fs_a_mkm_exists_sum_body_steps)))))) -> exists z. (exists mkm_sum_code_exists_multinomial mkm_sum_scale_exists_multinomial mkm_factor_code_exists_multinomial mkm_factor_scale_exists_multinomial. (((((exists fs_h_mkm_exists_multinomial_trace_start. fs_h_mkm_exists_multinomial_trace_start + S (0) = S ((S (0)) * mkm_sum_scale_exists_multinomial)) /\ exists fs_q_mkm_exists_multinomial_trace_start. mkm_sum_code_exists_multinomial = fs_q_mkm_exists_multinomial_trace_start * S ((S (0)) * mkm_sum_scale_exists_multinomial) + (0))) /\ ((((exists fs_h_mkm_exists_multinomial_trace_terminal. fs_h_mkm_exists_multinomial_trace_terminal + S (n) = S ((S (l)) * mkm_sum_scale_exists_multinomial)) /\ exists fs_q_mkm_exists_multinomial_trace_terminal. mkm_sum_code_exists_multinomial = fs_q_mkm_exists_multinomial_trace_terminal * S ((S (l)) * mkm_sum_scale_exists_multinomial) + (n))) /\ forall fs_i_mkm_exists_multinomial_trace_steps. (exists fs_lt_mkm_exists_multinomial_trace_steps_bound. fs_lt_mkm_exists_multinomial_trace_steps_bound + S fs_i_mkm_exists_multinomial_trace_steps = l) -> exists fs_a_mkm_exists_multinomial_trace_steps fs_r_mkm_exists_multinomial_trace_steps fs_s_mkm_exists_multinomial_trace_steps. ((((exists fs_h_mkm_exists_multinomial_trace_steps_summand. fs_h_mkm_exists_multinomial_trace_steps_summand + S (fs_a_mkm_exists_multinomial_trace_steps) = S ((S (fs_i_mkm_exists_multinomial_trace_steps)) * c)) /\ exists fs_q_mkm_exists_multinomial_trace_steps_summand. b = fs_q_mkm_exists_multinomial_trace_steps_summand * S ((S (fs_i_mkm_exists_multinomial_trace_steps)) * c) + (fs_a_mkm_exists_multinomial_trace_steps))) /\ ((((exists fs_h_mkm_exists_multinomial_trace_steps_partial. fs_h_mkm_exists_multinomial_trace_steps_partial + S (fs_r_mkm_exists_multinomial_trace_steps) = S ((S (fs_i_mkm_exists_multinomial_trace_steps)) * mkm_sum_scale_exists_multinomial)) /\ exists fs_q_mkm_exists_multinomial_trace_steps_partial. mkm_sum_code_exists_multinomial = fs_q_mkm_exists_multinomial_trace_steps_partial * S ((S (fs_i_mkm_exists_multinomial_trace_steps)) * mkm_sum_scale_exists_multinomial) + (fs_r_mkm_exists_multinomial_trace_steps))) /\ ((((exists fs_h_mkm_exists_multinomial_trace_steps_successor. fs_h_mkm_exists_multinomial_trace_steps_successor + S (fs_s_mkm_exists_multinomial_trace_steps) = S ((S (S fs_i_mkm_exists_multinomial_trace_steps)) * mkm_sum_scale_exists_multinomial)) /\ exists fs_q_mkm_exists_multinomial_trace_steps_successor. mkm_sum_code_exists_multinomial = fs_q_mkm_exists_multinomial_trace_steps_successor * S ((S (S fs_i_mkm_exists_multinomial_trace_steps)) * mkm_sum_scale_exists_multinomial) + (fs_s_mkm_exists_multinomial_trace_steps))) /\ fs_s_mkm_exists_multinomial_trace_steps = fs_r_mkm_exists_multinomial_trace_steps + fs_a_mkm_exists_multinomial_trace_steps)))))) /\ ((forall mkm_index_exists_multinomial_factors. (exists mkm_lt_exists_multinomial_factors_bound. mkm_lt_exists_multinomial_factors_bound + S (mkm_index_exists_multinomial_factors) = (l)) -> (exists mkm_value_exists_multinomial_factors_point mkm_partial_exists_multinomial_factors_point mkm_factor_exists_multinomial_factors_point. (((exists fs_h_mkm_exists_multinomial_factors_point_source. fs_h_mkm_exists_multinomial_factors_point_source + S (mkm_value_exists_multinomial_factors_point) = S ((S (mkm_index_exists_multinomial_factors)) * c)) /\ exists fs_q_mkm_exists_multinomial_factors_point_source. b = fs_q_mkm_exists_multinomial_factors_point_source * S ((S (mkm_index_exists_multinomial_factors)) * c) + (mkm_value_exists_multinomial_factors_point))) /\ ((((exists fs_h_mkm_exists_multinomial_factors_point_partial. fs_h_mkm_exists_multinomial_factors_point_partial + S (mkm_partial_exists_multinomial_factors_point) = S ((S (mkm_index_exists_multinomial_factors)) * mkm_sum_scale_exists_multinomial)) /\ exists fs_q_mkm_exists_multinomial_factors_point_partial. mkm_sum_code_exists_multinomial = fs_q_mkm_exists_multinomial_factors_point_partial * S ((S (mkm_index_exists_multinomial_factors)) * mkm_sum_scale_exists_multinomial) + (mkm_partial_exists_multinomial_factors_point))) /\ ((((exists bcf_lt_gap_mkm_exists_multinomial_factors_point_choose_out_of_range. bcf_lt_gap_mkm_exists_multinomial_factors_point_choose_out_of_range + S (mkm_partial_exists_multinomial_factors_point + mkm_value_exists_multinomial_factors_point) = mkm_partial_exists_multinomial_factors_point) /\ mkm_factor_exists_multinomial_factors_point = 0) \/ ((exists bcf_le_gap_mkm_exists_multinomial_factors_point_choose_in_range. bcf_le_gap_mkm_exists_multinomial_factors_point_choose_in_range + (mkm_partial_exists_multinomial_factors_point) = mkm_partial_exists_multinomial_factors_point + mkm_value_exists_multinomial_factors_point) /\ (exists bcf_row_code_code_mkm_exists_multinomial_factors_point_choose bcf_row_code_scale_mkm_exists_multinomial_factors_point_choose bcf_row_scale_code_mkm_exists_multinomial_factors_point_choose bcf_row_scale_scale_mkm_exists_multinomial_factors_point_choose bcf_row_code_mkm_exists_multinomial_factors_point_choose bcf_row_scale_mkm_exists_multinomial_factors_point_choose. ((forall bcf_row_index_mkm_exists_multinomial_factors_point_choose_table. (exists bcf_lt_gap_mkm_exists_multinomial_factors_point_choose_table_row_bound. bcf_lt_gap_mkm_exists_multinomial_factors_point_choose_table_row_bound + S (bcf_row_index_mkm_exists_multinomial_factors_point_choose_table) = S (mkm_partial_exists_multinomial_factors_point + mkm_value_exists_multinomial_factors_point)) -> exists bcf_row_code_mkm_exists_multinomial_factors_point_choose_table bcf_row_scale_mkm_exists_multinomial_factors_point_choose_table. ((((exists bcf_height_mkm_exists_multinomial_factors_point_choose_table_decoded_row_code. bcf_height_mkm_exists_multinomial_factors_point_choose_table_decoded_row_code + S (bcf_row_code_mkm_exists_multinomial_factors_point_choose_table) = S ((S (bcf_row_index_mkm_exists_multinomial_factors_point_choose_table)) * bcf_row_code_scale_mkm_exists_multinomial_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_decoded_row_code. bcf_row_code_code_mkm_exists_multinomial_factors_point_choose = bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_decoded_row_code * S ((S (bcf_row_index_mkm_exists_multinomial_factors_point_choose_table)) * bcf_row_code_scale_mkm_exists_multinomial_factors_point_choose) + (bcf_row_code_mkm_exists_multinomial_factors_point_choose_table))) /\ ((((exists bcf_height_mkm_exists_multinomial_factors_point_choose_table_decoded_row_scale. bcf_height_mkm_exists_multinomial_factors_point_choose_table_decoded_row_scale + S (bcf_row_scale_mkm_exists_multinomial_factors_point_choose_table) = S ((S (bcf_row_index_mkm_exists_multinomial_factors_point_choose_table)) * bcf_row_scale_scale_mkm_exists_multinomial_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_decoded_row_scale. bcf_row_scale_code_mkm_exists_multinomial_factors_point_choose = bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_decoded_row_scale * S ((S (bcf_row_index_mkm_exists_multinomial_factors_point_choose_table)) * bcf_row_scale_scale_mkm_exists_multinomial_factors_point_choose) + (bcf_row_scale_mkm_exists_multinomial_factors_point_choose_table))) /\ ((bcf_row_index_mkm_exists_multinomial_factors_point_choose_table = 0 /\ (forall bcf_index_mkm_exists_multinomial_factors_point_choose_table_zero_row. (exists bcf_lt_gap_mkm_exists_multinomial_factors_point_choose_table_zero_row_bound. bcf_lt_gap_mkm_exists_multinomial_factors_point_choose_table_zero_row_bound + S (bcf_index_mkm_exists_multinomial_factors_point_choose_table_zero_row) = S (mkm_partial_exists_multinomial_factors_point + mkm_value_exists_multinomial_factors_point)) -> exists bcf_value_mkm_exists_multinomial_factors_point_choose_table_zero_row. ((((exists bcf_height_mkm_exists_multinomial_factors_point_choose_table_zero_row_entry. bcf_height_mkm_exists_multinomial_factors_point_choose_table_zero_row_entry + S (bcf_value_mkm_exists_multinomial_factors_point_choose_table_zero_row) = S ((S (bcf_index_mkm_exists_multinomial_factors_point_choose_table_zero_row)) * bcf_row_scale_mkm_exists_multinomial_factors_point_choose_table)) /\ exists bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_zero_row_entry. bcf_row_code_mkm_exists_multinomial_factors_point_choose_table = bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_zero_row_entry * S ((S (bcf_index_mkm_exists_multinomial_factors_point_choose_table_zero_row)) * bcf_row_scale_mkm_exists_multinomial_factors_point_choose_table) + (bcf_value_mkm_exists_multinomial_factors_point_choose_table_zero_row))) /\ ((bcf_index_mkm_exists_multinomial_factors_point_choose_table_zero_row = 0 /\ bcf_value_mkm_exists_multinomial_factors_point_choose_table_zero_row = 1) \/ exists bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table_zero_row. bcf_index_mkm_exists_multinomial_factors_point_choose_table_zero_row = S bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table_zero_row /\ bcf_value_mkm_exists_multinomial_factors_point_choose_table_zero_row = 0)))) \/ exists bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table bcf_previous_code_mkm_exists_multinomial_factors_point_choose_table bcf_previous_scale_mkm_exists_multinomial_factors_point_choose_table. bcf_row_index_mkm_exists_multinomial_factors_point_choose_table = S bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table /\ ((((exists bcf_height_mkm_exists_multinomial_factors_point_choose_table_decoded_previous_code. bcf_height_mkm_exists_multinomial_factors_point_choose_table_decoded_previous_code + S (bcf_previous_code_mkm_exists_multinomial_factors_point_choose_table) = S ((S (bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table)) * bcf_row_code_scale_mkm_exists_multinomial_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_decoded_previous_code. bcf_row_code_code_mkm_exists_multinomial_factors_point_choose = bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_decoded_previous_code * S ((S (bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table)) * bcf_row_code_scale_mkm_exists_multinomial_factors_point_choose) + (bcf_previous_code_mkm_exists_multinomial_factors_point_choose_table))) /\ ((((exists bcf_height_mkm_exists_multinomial_factors_point_choose_table_decoded_previous_scale. bcf_height_mkm_exists_multinomial_factors_point_choose_table_decoded_previous_scale + S (bcf_previous_scale_mkm_exists_multinomial_factors_point_choose_table) = S ((S (bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table)) * bcf_row_scale_scale_mkm_exists_multinomial_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_decoded_previous_scale. bcf_row_scale_code_mkm_exists_multinomial_factors_point_choose = bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_decoded_previous_scale * S ((S (bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table)) * bcf_row_scale_scale_mkm_exists_multinomial_factors_point_choose) + (bcf_previous_scale_mkm_exists_multinomial_factors_point_choose_table))) /\ (forall bcf_index_mkm_exists_multinomial_factors_point_choose_table_row_step. (exists bcf_lt_gap_mkm_exists_multinomial_factors_point_choose_table_row_step_bound. bcf_lt_gap_mkm_exists_multinomial_factors_point_choose_table_row_step_bound + S (bcf_index_mkm_exists_multinomial_factors_point_choose_table_row_step) = S (mkm_partial_exists_multinomial_factors_point + mkm_value_exists_multinomial_factors_point)) -> exists bcf_value_mkm_exists_multinomial_factors_point_choose_table_row_step. ((((exists bcf_height_mkm_exists_multinomial_factors_point_choose_table_row_step_entry. bcf_height_mkm_exists_multinomial_factors_point_choose_table_row_step_entry + S (bcf_value_mkm_exists_multinomial_factors_point_choose_table_row_step) = S ((S (bcf_index_mkm_exists_multinomial_factors_point_choose_table_row_step)) * bcf_row_scale_mkm_exists_multinomial_factors_point_choose_table)) /\ exists bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_row_step_entry. bcf_row_code_mkm_exists_multinomial_factors_point_choose_table = bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_row_step_entry * S ((S (bcf_index_mkm_exists_multinomial_factors_point_choose_table_row_step)) * bcf_row_scale_mkm_exists_multinomial_factors_point_choose_table) + (bcf_value_mkm_exists_multinomial_factors_point_choose_table_row_step))) /\ ((bcf_index_mkm_exists_multinomial_factors_point_choose_table_row_step = 0 /\ bcf_value_mkm_exists_multinomial_factors_point_choose_table_row_step = 1) \/ exists bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table_row_step bcf_left_mkm_exists_multinomial_factors_point_choose_table_row_step bcf_right_mkm_exists_multinomial_factors_point_choose_table_row_step. bcf_index_mkm_exists_multinomial_factors_point_choose_table_row_step = S bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table_row_step /\ ((((exists bcf_height_mkm_exists_multinomial_factors_point_choose_table_row_step_previous_left. bcf_height_mkm_exists_multinomial_factors_point_choose_table_row_step_previous_left + S (bcf_left_mkm_exists_multinomial_factors_point_choose_table_row_step) = S ((S (bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table_row_step)) * bcf_previous_scale_mkm_exists_multinomial_factors_point_choose_table)) /\ exists bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_row_step_previous_left. bcf_previous_code_mkm_exists_multinomial_factors_point_choose_table = bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_row_step_previous_left * S ((S (bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table_row_step)) * bcf_previous_scale_mkm_exists_multinomial_factors_point_choose_table) + (bcf_left_mkm_exists_multinomial_factors_point_choose_table_row_step))) /\ ((((exists bcf_height_mkm_exists_multinomial_factors_point_choose_table_row_step_previous_right. bcf_height_mkm_exists_multinomial_factors_point_choose_table_row_step_previous_right + S (bcf_right_mkm_exists_multinomial_factors_point_choose_table_row_step) = S ((S (S (bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table_row_step))) * bcf_previous_scale_mkm_exists_multinomial_factors_point_choose_table)) /\ exists bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_row_step_previous_right. bcf_previous_code_mkm_exists_multinomial_factors_point_choose_table = bcf_quotient_mkm_exists_multinomial_factors_point_choose_table_row_step_previous_right * S ((S (S (bcf_predecessor_mkm_exists_multinomial_factors_point_choose_table_row_step))) * bcf_previous_scale_mkm_exists_multinomial_factors_point_choose_table) + (bcf_right_mkm_exists_multinomial_factors_point_choose_table_row_step))) /\ bcf_value_mkm_exists_multinomial_factors_point_choose_table_row_step = bcf_left_mkm_exists_multinomial_factors_point_choose_table_row_step + bcf_right_mkm_exists_multinomial_factors_point_choose_table_row_step))))))))))) /\ ((((exists bcf_height_mkm_exists_multinomial_factors_point_choose_decoded_row_code. bcf_height_mkm_exists_multinomial_factors_point_choose_decoded_row_code + S (bcf_row_code_mkm_exists_multinomial_factors_point_choose) = S ((S (mkm_partial_exists_multinomial_factors_point + mkm_value_exists_multinomial_factors_point)) * bcf_row_code_scale_mkm_exists_multinomial_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_multinomial_factors_point_choose_decoded_row_code. bcf_row_code_code_mkm_exists_multinomial_factors_point_choose = bcf_quotient_mkm_exists_multinomial_factors_point_choose_decoded_row_code * S ((S (mkm_partial_exists_multinomial_factors_point + mkm_value_exists_multinomial_factors_point)) * bcf_row_code_scale_mkm_exists_multinomial_factors_point_choose) + (bcf_row_code_mkm_exists_multinomial_factors_point_choose))) /\ ((((exists bcf_height_mkm_exists_multinomial_factors_point_choose_decoded_row_scale. bcf_height_mkm_exists_multinomial_factors_point_choose_decoded_row_scale + S (bcf_row_scale_mkm_exists_multinomial_factors_point_choose) = S ((S (mkm_partial_exists_multinomial_factors_point + mkm_value_exists_multinomial_factors_point)) * bcf_row_scale_scale_mkm_exists_multinomial_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_multinomial_factors_point_choose_decoded_row_scale. bcf_row_scale_code_mkm_exists_multinomial_factors_point_choose = bcf_quotient_mkm_exists_multinomial_factors_point_choose_decoded_row_scale * S ((S (mkm_partial_exists_multinomial_factors_point + mkm_value_exists_multinomial_factors_point)) * bcf_row_scale_scale_mkm_exists_multinomial_factors_point_choose) + (bcf_row_scale_mkm_exists_multinomial_factors_point_choose))) /\ (((exists bcf_height_mkm_exists_multinomial_factors_point_choose_decoded_value. bcf_height_mkm_exists_multinomial_factors_point_choose_decoded_value + S (mkm_factor_exists_multinomial_factors_point) = S ((S (mkm_partial_exists_multinomial_factors_point)) * bcf_row_scale_mkm_exists_multinomial_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_multinomial_factors_point_choose_decoded_value. bcf_row_code_mkm_exists_multinomial_factors_point_choose = bcf_quotient_mkm_exists_multinomial_factors_point_choose_decoded_value * S ((S (mkm_partial_exists_multinomial_factors_point)) * bcf_row_scale_mkm_exists_multinomial_factors_point_choose) + (mkm_factor_exists_multinomial_factors_point))))))))) /\ (((exists fs_h_mkm_exists_multinomial_factors_point_factor. fs_h_mkm_exists_multinomial_factors_point_factor + S (mkm_factor_exists_multinomial_factors_point) = S ((S (mkm_index_exists_multinomial_factors)) * mkm_factor_scale_exists_multinomial)) /\ exists fs_q_mkm_exists_multinomial_factors_point_factor. mkm_factor_code_exists_multinomial = fs_q_mkm_exists_multinomial_factors_point_factor * S ((S (mkm_index_exists_multinomial_factors)) * mkm_factor_scale_exists_multinomial) + (mkm_factor_exists_multinomial_factors_point))))))) /\ (exists ff_u_mkm_exists_multinomial_product ff_v_mkm_exists_multinomial_product. ((((exists ff_h_mkm_exists_multinomial_product_start. ff_h_mkm_exists_multinomial_product_start + S (1) = S ((S (0)) * ff_v_mkm_exists_multinomial_product)) /\ exists ff_q_mkm_exists_multinomial_product_start. ff_u_mkm_exists_multinomial_product = ff_q_mkm_exists_multinomial_product_start * S ((S (0)) * ff_v_mkm_exists_multinomial_product) + (1))) /\ ((((exists ff_h_mkm_exists_multinomial_product_terminal. ff_h_mkm_exists_multinomial_product_terminal + S (z) = S ((S (l)) * ff_v_mkm_exists_multinomial_product)) /\ exists ff_q_mkm_exists_multinomial_product_terminal. ff_u_mkm_exists_multinomial_product = ff_q_mkm_exists_multinomial_product_terminal * S ((S (l)) * ff_v_mkm_exists_multinomial_product) + (z))) /\ forall ff_i_mkm_exists_multinomial_product. (exists ff_lt_mkm_exists_multinomial_product_bound. ff_lt_mkm_exists_multinomial_product_bound + S ff_i_mkm_exists_multinomial_product = l) -> exists ff_p_mkm_exists_multinomial_product ff_r_mkm_exists_multinomial_product ff_s_mkm_exists_multinomial_product. ((((exists ff_h_mkm_exists_multinomial_product_factor. ff_h_mkm_exists_multinomial_product_factor + S (ff_p_mkm_exists_multinomial_product) = S ((S (ff_i_mkm_exists_multinomial_product)) * mkm_factor_scale_exists_multinomial)) /\ exists ff_q_mkm_exists_multinomial_product_factor. mkm_factor_code_exists_multinomial = ff_q_mkm_exists_multinomial_product_factor * S ((S (ff_i_mkm_exists_multinomial_product)) * mkm_factor_scale_exists_multinomial) + (ff_p_mkm_exists_multinomial_product))) /\ ((((exists ff_h_mkm_exists_multinomial_product_partial. ff_h_mkm_exists_multinomial_product_partial + S (ff_r_mkm_exists_multinomial_product) = S ((S (ff_i_mkm_exists_multinomial_product)) * ff_v_mkm_exists_multinomial_product)) /\ exists ff_q_mkm_exists_multinomial_product_partial. ff_u_mkm_exists_multinomial_product = ff_q_mkm_exists_multinomial_product_partial * S ((S (ff_i_mkm_exists_multinomial_product)) * ff_v_mkm_exists_multinomial_product) + (ff_r_mkm_exists_multinomial_product))) /\ ((((exists ff_h_mkm_exists_multinomial_product_successor. ff_h_mkm_exists_multinomial_product_successor + S (ff_s_mkm_exists_multinomial_product) = S ((S (S ff_i_mkm_exists_multinomial_product)) * ff_v_mkm_exists_multinomial_product)) /\ exists ff_q_mkm_exists_multinomial_product_successor. ff_u_mkm_exists_multinomial_product = ff_q_mkm_exists_multinomial_product_successor * S ((S (S ff_i_mkm_exists_multinomial_product)) * ff_v_mkm_exists_multinomial_product) + (ff_s_mkm_exists_multinomial_product))) /\ ff_s_mkm_exists_multinomial_product = ff_r_mkm_exists_multinomial_product * ff_p_mkm_exists_multinomial_product))))))))

Constructive proof overview

Generated structural guide

An actual finite sum of parts has an actual iterated-binomial multinomial coefficient.

The unchanged tactic script uses 2 declared prerequisites and contains 32 exact native proof lines.

Alpha v34 checked-use · first admitted v27 · independently kernel and Lean verified; not Stable

Proof neighborhood

Direct dependencies

MK000B multinomial_binomial_prefix_exists beta_product_exists Stable theorem; checked-use authorized

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

32 script commands · 11 reading checkpoints · 2 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)

Long local formulas use this family’s existing definitions. Each new abbreviation was expanded back to the identical native formula, including its free-variable context. The original edition is preserved below.

01Fix variables and assumptionsL1–5

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

  1. L1
    intro b
  2. L2
    intro c
  3. L3
    intro l
  4. L4
    intro n
  5. L5
    intro hsum
02Separate the logical casesL6–7

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

  1. L6
    cases hsum
  2. L7
    cases hsum_witness
03Establish hfactorsL8–14

Establish this local claim before using it. It is not an additional assumption. The following proof commands apply multinomial binomial prefix exists.

  1. L8
    have hfactors : ∃ cb. ∃ cc. MultinomialBinomialPrefix(b,c,x,x1,cb,cc,l)Definitions: MultinomialBinomialPrefix
  2. L9
    specialize multinomial_binomial_prefix_exists b
  3. L10
    specialize multinomial_binomial_prefix_exists c
  4. L11
    specialize multinomial_binomial_prefix_exists x
  5. L12
    specialize multinomial_binomial_prefix_exists x1
  6. L13
    specialize multinomial_binomial_prefix_exists l
  7. L14
    apply multinomial_binomial_prefix_exists
04Separate the logical casesL15–16

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

  1. L15
    cases hfactors
  2. L16
    cases hfactors_witness
05Establish hproductL17–21

Establish this local claim before using it. It is not an additional assumption. The following proof commands apply beta product exists.

  1. L17
    have hproduct : ∃ z. Product(x2,x3,l,z)Definitions: Product
  2. L18
    specialize beta_product_exists x2
  3. L19
    specialize beta_product_exists x3
  4. L20
    specialize beta_product_exists l
  5. L21
    apply beta_product_exists
06Separate the logical casesL22–22

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

  1. L22
    cases hproduct
07Construct an explicit witnessL23–27

Supply the displayed value, then prove that it has the required property.

  1. L23
    exists x4
  2. L24
    exists x
  3. L25
    exists x1
  4. L26
    exists x2
  5. L27
    exists x3
08Separate the logical casesL28–28

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

  1. L28
    split
09Use earlier factsL29–29

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

  1. L29
    exact hsum_witness_witness
10Separate the logical casesL30–30

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

  1. L30
    split
11Use earlier factsL31–32

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

  1. L31
    exact hfactors_witness_witness
  2. L32
    exact hproduct_witness

Library-wide reading audit

Original exact command ledger · 32 lines
  1. 0001intro b
  2. 0002intro c
  3. 0003intro l
  4. 0004intro n
  5. 0005intro hsum
  6. 0006cases hsum
  7. 0007cases hsum_witness
  8. 0008have hfactors : exists cb cc. forall mkm_index_exists_factors. (exists mkm_lt_exists_factors_bound. mkm_lt_exists_factors_bound + S (mkm_index_exists_factors) = (l)) -> (exists mkm_value_exists_factors_point mkm_partial_exists_factors_point mkm_factor_exists_factors_point. (((exists fs_h_mkm_exists_factors_point_source. fs_h_mkm_exists_factors_point_source + S (mkm_value_exists_factors_point) = S ((S (mkm_index_exists_factors)) * c)) /\ exists fs_q_mkm_exists_factors_point_source. b = fs_q_mkm_exists_factors_point_source * S ((S (mkm_index_exists_factors)) * c) + (mkm_value_exists_factors_point))) /\ ((((exists fs_h_mkm_exists_factors_point_partial. fs_h_mkm_exists_factors_point_partial + S (mkm_partial_exists_factors_point) = S ((S (mkm_index_exists_factors)) * x1)) /\ exists fs_q_mkm_exists_factors_point_partial. x = fs_q_mkm_exists_factors_point_partial * S ((S (mkm_index_exists_factors)) * x1) + (mkm_partial_exists_factors_point))) /\ ((((exists bcf_lt_gap_mkm_exists_factors_point_choose_out_of_range. bcf_lt_gap_mkm_exists_factors_point_choose_out_of_range + S (mkm_partial_exists_factors_point + mkm_value_exists_factors_point) = mkm_partial_exists_factors_point) /\ mkm_factor_exists_factors_point = 0) \/ ((exists bcf_le_gap_mkm_exists_factors_point_choose_in_range. bcf_le_gap_mkm_exists_factors_point_choose_in_range + (mkm_partial_exists_factors_point) = mkm_partial_exists_factors_point + mkm_value_exists_factors_point) /\ (exists bcf_row_code_code_mkm_exists_factors_point_choose bcf_row_code_scale_mkm_exists_factors_point_choose bcf_row_scale_code_mkm_exists_factors_point_choose bcf_row_scale_scale_mkm_exists_factors_point_choose bcf_row_code_mkm_exists_factors_point_choose bcf_row_scale_mkm_exists_factors_point_choose. ((forall bcf_row_index_mkm_exists_factors_point_choose_table. (exists bcf_lt_gap_mkm_exists_factors_point_choose_table_row_bound. bcf_lt_gap_mkm_exists_factors_point_choose_table_row_bound + S (bcf_row_index_mkm_exists_factors_point_choose_table) = S (mkm_partial_exists_factors_point + mkm_value_exists_factors_point)) -> exists bcf_row_code_mkm_exists_factors_point_choose_table bcf_row_scale_mkm_exists_factors_point_choose_table. ((((exists bcf_height_mkm_exists_factors_point_choose_table_decoded_row_code. bcf_height_mkm_exists_factors_point_choose_table_decoded_row_code + S (bcf_row_code_mkm_exists_factors_point_choose_table) = S ((S (bcf_row_index_mkm_exists_factors_point_choose_table)) * bcf_row_code_scale_mkm_exists_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_factors_point_choose_table_decoded_row_code. bcf_row_code_code_mkm_exists_factors_point_choose = bcf_quotient_mkm_exists_factors_point_choose_table_decoded_row_code * S ((S (bcf_row_index_mkm_exists_factors_point_choose_table)) * bcf_row_code_scale_mkm_exists_factors_point_choose) + (bcf_row_code_mkm_exists_factors_point_choose_table))) /\ ((((exists bcf_height_mkm_exists_factors_point_choose_table_decoded_row_scale. bcf_height_mkm_exists_factors_point_choose_table_decoded_row_scale + S (bcf_row_scale_mkm_exists_factors_point_choose_table) = S ((S (bcf_row_index_mkm_exists_factors_point_choose_table)) * bcf_row_scale_scale_mkm_exists_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_factors_point_choose_table_decoded_row_scale. bcf_row_scale_code_mkm_exists_factors_point_choose = bcf_quotient_mkm_exists_factors_point_choose_table_decoded_row_scale * S ((S (bcf_row_index_mkm_exists_factors_point_choose_table)) * bcf_row_scale_scale_mkm_exists_factors_point_choose) + (bcf_row_scale_mkm_exists_factors_point_choose_table))) /\ ((bcf_row_index_mkm_exists_factors_point_choose_table = 0 /\ (forall bcf_index_mkm_exists_factors_point_choose_table_zero_row. (exists bcf_lt_gap_mkm_exists_factors_point_choose_table_zero_row_bound. bcf_lt_gap_mkm_exists_factors_point_choose_table_zero_row_bound + S (bcf_index_mkm_exists_factors_point_choose_table_zero_row) = S (mkm_partial_exists_factors_point + mkm_value_exists_factors_point)) -> exists bcf_value_mkm_exists_factors_point_choose_table_zero_row. ((((exists bcf_height_mkm_exists_factors_point_choose_table_zero_row_entry. bcf_height_mkm_exists_factors_point_choose_table_zero_row_entry + S (bcf_value_mkm_exists_factors_point_choose_table_zero_row) = S ((S (bcf_index_mkm_exists_factors_point_choose_table_zero_row)) * bcf_row_scale_mkm_exists_factors_point_choose_table)) /\ exists bcf_quotient_mkm_exists_factors_point_choose_table_zero_row_entry. bcf_row_code_mkm_exists_factors_point_choose_table = bcf_quotient_mkm_exists_factors_point_choose_table_zero_row_entry * S ((S (bcf_index_mkm_exists_factors_point_choose_table_zero_row)) * bcf_row_scale_mkm_exists_factors_point_choose_table) + (bcf_value_mkm_exists_factors_point_choose_table_zero_row))) /\ ((bcf_index_mkm_exists_factors_point_choose_table_zero_row = 0 /\ bcf_value_mkm_exists_factors_point_choose_table_zero_row = 1) \/ exists bcf_predecessor_mkm_exists_factors_point_choose_table_zero_row. bcf_index_mkm_exists_factors_point_choose_table_zero_row = S bcf_predecessor_mkm_exists_factors_point_choose_table_zero_row /\ bcf_value_mkm_exists_factors_point_choose_table_zero_row = 0)))) \/ exists bcf_predecessor_mkm_exists_factors_point_choose_table bcf_previous_code_mkm_exists_factors_point_choose_table bcf_previous_scale_mkm_exists_factors_point_choose_table. bcf_row_index_mkm_exists_factors_point_choose_table = S bcf_predecessor_mkm_exists_factors_point_choose_table /\ ((((exists bcf_height_mkm_exists_factors_point_choose_table_decoded_previous_code. bcf_height_mkm_exists_factors_point_choose_table_decoded_previous_code + S (bcf_previous_code_mkm_exists_factors_point_choose_table) = S ((S (bcf_predecessor_mkm_exists_factors_point_choose_table)) * bcf_row_code_scale_mkm_exists_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_factors_point_choose_table_decoded_previous_code. bcf_row_code_code_mkm_exists_factors_point_choose = bcf_quotient_mkm_exists_factors_point_choose_table_decoded_previous_code * S ((S (bcf_predecessor_mkm_exists_factors_point_choose_table)) * bcf_row_code_scale_mkm_exists_factors_point_choose) + (bcf_previous_code_mkm_exists_factors_point_choose_table))) /\ ((((exists bcf_height_mkm_exists_factors_point_choose_table_decoded_previous_scale. bcf_height_mkm_exists_factors_point_choose_table_decoded_previous_scale + S (bcf_previous_scale_mkm_exists_factors_point_choose_table) = S ((S (bcf_predecessor_mkm_exists_factors_point_choose_table)) * bcf_row_scale_scale_mkm_exists_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_factors_point_choose_table_decoded_previous_scale. bcf_row_scale_code_mkm_exists_factors_point_choose = bcf_quotient_mkm_exists_factors_point_choose_table_decoded_previous_scale * S ((S (bcf_predecessor_mkm_exists_factors_point_choose_table)) * bcf_row_scale_scale_mkm_exists_factors_point_choose) + (bcf_previous_scale_mkm_exists_factors_point_choose_table))) /\ (forall bcf_index_mkm_exists_factors_point_choose_table_row_step. (exists bcf_lt_gap_mkm_exists_factors_point_choose_table_row_step_bound. bcf_lt_gap_mkm_exists_factors_point_choose_table_row_step_bound + S (bcf_index_mkm_exists_factors_point_choose_table_row_step) = S (mkm_partial_exists_factors_point + mkm_value_exists_factors_point)) -> exists bcf_value_mkm_exists_factors_point_choose_table_row_step. ((((exists bcf_height_mkm_exists_factors_point_choose_table_row_step_entry. bcf_height_mkm_exists_factors_point_choose_table_row_step_entry + S (bcf_value_mkm_exists_factors_point_choose_table_row_step) = S ((S (bcf_index_mkm_exists_factors_point_choose_table_row_step)) * bcf_row_scale_mkm_exists_factors_point_choose_table)) /\ exists bcf_quotient_mkm_exists_factors_point_choose_table_row_step_entry. bcf_row_code_mkm_exists_factors_point_choose_table = bcf_quotient_mkm_exists_factors_point_choose_table_row_step_entry * S ((S (bcf_index_mkm_exists_factors_point_choose_table_row_step)) * bcf_row_scale_mkm_exists_factors_point_choose_table) + (bcf_value_mkm_exists_factors_point_choose_table_row_step))) /\ ((bcf_index_mkm_exists_factors_point_choose_table_row_step = 0 /\ bcf_value_mkm_exists_factors_point_choose_table_row_step = 1) \/ exists bcf_predecessor_mkm_exists_factors_point_choose_table_row_step bcf_left_mkm_exists_factors_point_choose_table_row_step bcf_right_mkm_exists_factors_point_choose_table_row_step. bcf_index_mkm_exists_factors_point_choose_table_row_step = S bcf_predecessor_mkm_exists_factors_point_choose_table_row_step /\ ((((exists bcf_height_mkm_exists_factors_point_choose_table_row_step_previous_left. bcf_height_mkm_exists_factors_point_choose_table_row_step_previous_left + S (bcf_left_mkm_exists_factors_point_choose_table_row_step) = S ((S (bcf_predecessor_mkm_exists_factors_point_choose_table_row_step)) * bcf_previous_scale_mkm_exists_factors_point_choose_table)) /\ exists bcf_quotient_mkm_exists_factors_point_choose_table_row_step_previous_left. bcf_previous_code_mkm_exists_factors_point_choose_table = bcf_quotient_mkm_exists_factors_point_choose_table_row_step_previous_left * S ((S (bcf_predecessor_mkm_exists_factors_point_choose_table_row_step)) * bcf_previous_scale_mkm_exists_factors_point_choose_table) + (bcf_left_mkm_exists_factors_point_choose_table_row_step))) /\ ((((exists bcf_height_mkm_exists_factors_point_choose_table_row_step_previous_right. bcf_height_mkm_exists_factors_point_choose_table_row_step_previous_right + S (bcf_right_mkm_exists_factors_point_choose_table_row_step) = S ((S (S (bcf_predecessor_mkm_exists_factors_point_choose_table_row_step))) * bcf_previous_scale_mkm_exists_factors_point_choose_table)) /\ exists bcf_quotient_mkm_exists_factors_point_choose_table_row_step_previous_right. bcf_previous_code_mkm_exists_factors_point_choose_table = bcf_quotient_mkm_exists_factors_point_choose_table_row_step_previous_right * S ((S (S (bcf_predecessor_mkm_exists_factors_point_choose_table_row_step))) * bcf_previous_scale_mkm_exists_factors_point_choose_table) + (bcf_right_mkm_exists_factors_point_choose_table_row_step))) /\ bcf_value_mkm_exists_factors_point_choose_table_row_step = bcf_left_mkm_exists_factors_point_choose_table_row_step + bcf_right_mkm_exists_factors_point_choose_table_row_step))))))))))) /\ ((((exists bcf_height_mkm_exists_factors_point_choose_decoded_row_code. bcf_height_mkm_exists_factors_point_choose_decoded_row_code + S (bcf_row_code_mkm_exists_factors_point_choose) = S ((S (mkm_partial_exists_factors_point + mkm_value_exists_factors_point)) * bcf_row_code_scale_mkm_exists_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_factors_point_choose_decoded_row_code. bcf_row_code_code_mkm_exists_factors_point_choose = bcf_quotient_mkm_exists_factors_point_choose_decoded_row_code * S ((S (mkm_partial_exists_factors_point + mkm_value_exists_factors_point)) * bcf_row_code_scale_mkm_exists_factors_point_choose) + (bcf_row_code_mkm_exists_factors_point_choose))) /\ ((((exists bcf_height_mkm_exists_factors_point_choose_decoded_row_scale. bcf_height_mkm_exists_factors_point_choose_decoded_row_scale + S (bcf_row_scale_mkm_exists_factors_point_choose) = S ((S (mkm_partial_exists_factors_point + mkm_value_exists_factors_point)) * bcf_row_scale_scale_mkm_exists_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_factors_point_choose_decoded_row_scale. bcf_row_scale_code_mkm_exists_factors_point_choose = bcf_quotient_mkm_exists_factors_point_choose_decoded_row_scale * S ((S (mkm_partial_exists_factors_point + mkm_value_exists_factors_point)) * bcf_row_scale_scale_mkm_exists_factors_point_choose) + (bcf_row_scale_mkm_exists_factors_point_choose))) /\ (((exists bcf_height_mkm_exists_factors_point_choose_decoded_value. bcf_height_mkm_exists_factors_point_choose_decoded_value + S (mkm_factor_exists_factors_point) = S ((S (mkm_partial_exists_factors_point)) * bcf_row_scale_mkm_exists_factors_point_choose)) /\ exists bcf_quotient_mkm_exists_factors_point_choose_decoded_value. bcf_row_code_mkm_exists_factors_point_choose = bcf_quotient_mkm_exists_factors_point_choose_decoded_value * S ((S (mkm_partial_exists_factors_point)) * bcf_row_scale_mkm_exists_factors_point_choose) + (mkm_factor_exists_factors_point))))))))) /\ (((exists fs_h_mkm_exists_factors_point_factor. fs_h_mkm_exists_factors_point_factor + S (mkm_factor_exists_factors_point) = S ((S (mkm_index_exists_factors)) * cc)) /\ exists fs_q_mkm_exists_factors_point_factor. cb = fs_q_mkm_exists_factors_point_factor * S ((S (mkm_index_exists_factors)) * cc) + (mkm_factor_exists_factors_point))))))
  9. 0009specialize multinomial_binomial_prefix_exists b
  10. 0010specialize multinomial_binomial_prefix_exists c
  11. 0011specialize multinomial_binomial_prefix_exists x
  12. 0012specialize multinomial_binomial_prefix_exists x1
  13. 0013specialize multinomial_binomial_prefix_exists l
  14. 0014apply multinomial_binomial_prefix_exists
  15. 0015cases hfactors
  16. 0016cases hfactors_witness
  17. 0017have hproduct : exists z. exists ff_u_mkm_exists_product ff_v_mkm_exists_product. ((((exists ff_h_mkm_exists_product_start. ff_h_mkm_exists_product_start + S (1) = S ((S (0)) * ff_v_mkm_exists_product)) /\ exists ff_q_mkm_exists_product_start. ff_u_mkm_exists_product = ff_q_mkm_exists_product_start * S ((S (0)) * ff_v_mkm_exists_product) + (1))) /\ ((((exists ff_h_mkm_exists_product_terminal. ff_h_mkm_exists_product_terminal + S (z) = S ((S (l)) * ff_v_mkm_exists_product)) /\ exists ff_q_mkm_exists_product_terminal. ff_u_mkm_exists_product = ff_q_mkm_exists_product_terminal * S ((S (l)) * ff_v_mkm_exists_product) + (z))) /\ forall ff_i_mkm_exists_product. (exists ff_lt_mkm_exists_product_bound. ff_lt_mkm_exists_product_bound + S ff_i_mkm_exists_product = l) -> exists ff_p_mkm_exists_product ff_r_mkm_exists_product ff_s_mkm_exists_product. ((((exists ff_h_mkm_exists_product_factor. ff_h_mkm_exists_product_factor + S (ff_p_mkm_exists_product) = S ((S (ff_i_mkm_exists_product)) * x3)) /\ exists ff_q_mkm_exists_product_factor. x2 = ff_q_mkm_exists_product_factor * S ((S (ff_i_mkm_exists_product)) * x3) + (ff_p_mkm_exists_product))) /\ ((((exists ff_h_mkm_exists_product_partial. ff_h_mkm_exists_product_partial + S (ff_r_mkm_exists_product) = S ((S (ff_i_mkm_exists_product)) * ff_v_mkm_exists_product)) /\ exists ff_q_mkm_exists_product_partial. ff_u_mkm_exists_product = ff_q_mkm_exists_product_partial * S ((S (ff_i_mkm_exists_product)) * ff_v_mkm_exists_product) + (ff_r_mkm_exists_product))) /\ ((((exists ff_h_mkm_exists_product_successor. ff_h_mkm_exists_product_successor + S (ff_s_mkm_exists_product) = S ((S (S ff_i_mkm_exists_product)) * ff_v_mkm_exists_product)) /\ exists ff_q_mkm_exists_product_successor. ff_u_mkm_exists_product = ff_q_mkm_exists_product_successor * S ((S (S ff_i_mkm_exists_product)) * ff_v_mkm_exists_product) + (ff_s_mkm_exists_product))) /\ ff_s_mkm_exists_product = ff_r_mkm_exists_product * ff_p_mkm_exists_product)))))
  18. 0018specialize beta_product_exists x2
  19. 0019specialize beta_product_exists x3
  20. 0020specialize beta_product_exists l
  21. 0021apply beta_product_exists
  22. 0022cases hproduct
  23. 0023exists x4
  24. 0024exists x
  25. 0025exists x1
  26. 0026exists x2
  27. 0027exists x3
  28. 0028split
  29. 0029exact hsum_witness_witness
  30. 0030split
  31. 0031exact hfactors_witness_witness
  32. 0032exact hproduct_witness