BT00VH

primorial_odd_interval_divides_middle

Alpha body-checked ยท checked-use disabled

The selector interval (n+1,2n+1] divides the odd middle coefficient.

Exact expanded PA statement

forall n z c. (exists bpr_code_bpoidm_interval bpr_scale_bpoidm_interval. ((forall bpr_index_bpoidm_interval_mask. (exists bpr_gap_bpoidm_interval_mask_bound. bpr_gap_bpoidm_interval_mask_bound + S (bpr_index_bpoidm_interval_mask) = n) -> exists bpr_value_bpoidm_interval_mask. ((((exists bpr_height_bpoidm_interval_mask_decoded. bpr_height_bpoidm_interval_mask_decoded + S (bpr_value_bpoidm_interval_mask) = S ((S (bpr_index_bpoidm_interval_mask)) * bpr_scale_bpoidm_interval)) /\ exists bpr_quotient_bpoidm_interval_mask_decoded. bpr_code_bpoidm_interval = bpr_quotient_bpoidm_interval_mask_decoded * S ((S (bpr_index_bpoidm_interval_mask)) * bpr_scale_bpoidm_interval) + (bpr_value_bpoidm_interval_mask))) /\ (((((~(S (S n + bpr_index_bpoidm_interval_mask) = 1) /\ forall bpr_left_bpoidm_interval_mask_choice_prime bpr_right_bpoidm_interval_mask_choice_prime. S (S n + bpr_index_bpoidm_interval_mask) = bpr_left_bpoidm_interval_mask_choice_prime * bpr_right_bpoidm_interval_mask_choice_prime -> bpr_left_bpoidm_interval_mask_choice_prime = 1 \/ bpr_right_bpoidm_interval_mask_choice_prime = 1)) /\ bpr_value_bpoidm_interval_mask = S (S n + bpr_index_bpoidm_interval_mask)) \/ (~((~(S (S n + bpr_index_bpoidm_interval_mask) = 1) /\ forall bpr_left_bpoidm_interval_mask_choice_prime bpr_right_bpoidm_interval_mask_choice_prime. S (S n + bpr_index_bpoidm_interval_mask) = bpr_left_bpoidm_interval_mask_choice_prime * bpr_right_bpoidm_interval_mask_choice_prime -> bpr_left_bpoidm_interval_mask_choice_prime = 1 \/ bpr_right_bpoidm_interval_mask_choice_prime = 1)) /\ bpr_value_bpoidm_interval_mask = 1))))) /\ (exists ff_u_bpoidm_interval_product ff_v_bpoidm_interval_product. ((((exists ff_h_bpoidm_interval_product_start. ff_h_bpoidm_interval_product_start + S (1) = S ((S (0)) * ff_v_bpoidm_interval_product)) /\ exists ff_q_bpoidm_interval_product_start. ff_u_bpoidm_interval_product = ff_q_bpoidm_interval_product_start * S ((S (0)) * ff_v_bpoidm_interval_product) + (1))) /\ ((((exists ff_h_bpoidm_interval_product_terminal. ff_h_bpoidm_interval_product_terminal + S (z) = S ((S (n)) * ff_v_bpoidm_interval_product)) /\ exists ff_q_bpoidm_interval_product_terminal. ff_u_bpoidm_interval_product = ff_q_bpoidm_interval_product_terminal * S ((S (n)) * ff_v_bpoidm_interval_product) + (z))) /\ forall ff_i_bpoidm_interval_product. (exists ff_lt_bpoidm_interval_product_bound. ff_lt_bpoidm_interval_product_bound + S ff_i_bpoidm_interval_product = n) -> exists ff_p_bpoidm_interval_product ff_r_bpoidm_interval_product ff_s_bpoidm_interval_product. ((((exists ff_h_bpoidm_interval_product_factor. ff_h_bpoidm_interval_product_factor + S (ff_p_bpoidm_interval_product) = S ((S (ff_i_bpoidm_interval_product)) * bpr_scale_bpoidm_interval)) /\ exists ff_q_bpoidm_interval_product_factor. bpr_code_bpoidm_interval = ff_q_bpoidm_interval_product_factor * S ((S (ff_i_bpoidm_interval_product)) * bpr_scale_bpoidm_interval) + (ff_p_bpoidm_interval_product))) /\ ((((exists ff_h_bpoidm_interval_product_partial. ff_h_bpoidm_interval_product_partial + S (ff_r_bpoidm_interval_product) = S ((S (ff_i_bpoidm_interval_product)) * ff_v_bpoidm_interval_product)) /\ exists ff_q_bpoidm_interval_product_partial. ff_u_bpoidm_interval_product = ff_q_bpoidm_interval_product_partial * S ((S (ff_i_bpoidm_interval_product)) * ff_v_bpoidm_interval_product) + (ff_r_bpoidm_interval_product))) /\ ((((exists ff_h_bpoidm_interval_product_successor. ff_h_bpoidm_interval_product_successor + S (ff_s_bpoidm_interval_product) = S ((S (S ff_i_bpoidm_interval_product)) * ff_v_bpoidm_interval_product)) /\ exists ff_q_bpoidm_interval_product_successor. ff_u_bpoidm_interval_product = ff_q_bpoidm_interval_product_successor * S ((S (S ff_i_bpoidm_interval_product)) * ff_v_bpoidm_interval_product) + (ff_s_bpoidm_interval_product))) /\ ff_s_bpoidm_interval_product = ff_r_bpoidm_interval_product * ff_p_bpoidm_interval_product)))))))) -> (((exists bcf_lt_gap_bpoidm_middle_out_of_range. bcf_lt_gap_bpoidm_middle_out_of_range + S (S (n + n)) = n) /\ c = 0) \/ ((exists bcf_le_gap_bpoidm_middle_in_range. bcf_le_gap_bpoidm_middle_in_range + (n) = S (n + n)) /\ (exists bcf_row_code_code_bpoidm_middle bcf_row_code_scale_bpoidm_middle bcf_row_scale_code_bpoidm_middle bcf_row_scale_scale_bpoidm_middle bcf_row_code_bpoidm_middle bcf_row_scale_bpoidm_middle. ((forall bcf_row_index_bpoidm_middle_table. (exists bcf_lt_gap_bpoidm_middle_table_row_bound. bcf_lt_gap_bpoidm_middle_table_row_bound + S (bcf_row_index_bpoidm_middle_table) = S (S (n + n))) -> exists bcf_row_code_bpoidm_middle_table bcf_row_scale_bpoidm_middle_table. ((((exists bcf_height_bpoidm_middle_table_decoded_row_code. bcf_height_bpoidm_middle_table_decoded_row_code + S (bcf_row_code_bpoidm_middle_table) = S ((S (bcf_row_index_bpoidm_middle_table)) * bcf_row_code_scale_bpoidm_middle)) /\ exists bcf_quotient_bpoidm_middle_table_decoded_row_code. bcf_row_code_code_bpoidm_middle = bcf_quotient_bpoidm_middle_table_decoded_row_code * S ((S (bcf_row_index_bpoidm_middle_table)) * bcf_row_code_scale_bpoidm_middle) + (bcf_row_code_bpoidm_middle_table))) /\ ((((exists bcf_height_bpoidm_middle_table_decoded_row_scale. bcf_height_bpoidm_middle_table_decoded_row_scale + S (bcf_row_scale_bpoidm_middle_table) = S ((S (bcf_row_index_bpoidm_middle_table)) * bcf_row_scale_scale_bpoidm_middle)) /\ exists bcf_quotient_bpoidm_middle_table_decoded_row_scale. bcf_row_scale_code_bpoidm_middle = bcf_quotient_bpoidm_middle_table_decoded_row_scale * S ((S (bcf_row_index_bpoidm_middle_table)) * bcf_row_scale_scale_bpoidm_middle) + (bcf_row_scale_bpoidm_middle_table))) /\ ((bcf_row_index_bpoidm_middle_table = 0 /\ (forall bcf_index_bpoidm_middle_table_zero_row. (exists bcf_lt_gap_bpoidm_middle_table_zero_row_bound. bcf_lt_gap_bpoidm_middle_table_zero_row_bound + S (bcf_index_bpoidm_middle_table_zero_row) = S (S (n + n))) -> exists bcf_value_bpoidm_middle_table_zero_row. ((((exists bcf_height_bpoidm_middle_table_zero_row_entry. bcf_height_bpoidm_middle_table_zero_row_entry + S (bcf_value_bpoidm_middle_table_zero_row) = S ((S (bcf_index_bpoidm_middle_table_zero_row)) * bcf_row_scale_bpoidm_middle_table)) /\ exists bcf_quotient_bpoidm_middle_table_zero_row_entry. bcf_row_code_bpoidm_middle_table = bcf_quotient_bpoidm_middle_table_zero_row_entry * S ((S (bcf_index_bpoidm_middle_table_zero_row)) * bcf_row_scale_bpoidm_middle_table) + (bcf_value_bpoidm_middle_table_zero_row))) /\ ((bcf_index_bpoidm_middle_table_zero_row = 0 /\ bcf_value_bpoidm_middle_table_zero_row = 1) \/ exists bcf_predecessor_bpoidm_middle_table_zero_row. bcf_index_bpoidm_middle_table_zero_row = S bcf_predecessor_bpoidm_middle_table_zero_row /\ bcf_value_bpoidm_middle_table_zero_row = 0)))) \/ exists bcf_predecessor_bpoidm_middle_table bcf_previous_code_bpoidm_middle_table bcf_previous_scale_bpoidm_middle_table. bcf_row_index_bpoidm_middle_table = S bcf_predecessor_bpoidm_middle_table /\ ((((exists bcf_height_bpoidm_middle_table_decoded_previous_code. bcf_height_bpoidm_middle_table_decoded_previous_code + S (bcf_previous_code_bpoidm_middle_table) = S ((S (bcf_predecessor_bpoidm_middle_table)) * bcf_row_code_scale_bpoidm_middle)) /\ exists bcf_quotient_bpoidm_middle_table_decoded_previous_code. bcf_row_code_code_bpoidm_middle = bcf_quotient_bpoidm_middle_table_decoded_previous_code * S ((S (bcf_predecessor_bpoidm_middle_table)) * bcf_row_code_scale_bpoidm_middle) + (bcf_previous_code_bpoidm_middle_table))) /\ ((((exists bcf_height_bpoidm_middle_table_decoded_previous_scale. bcf_height_bpoidm_middle_table_decoded_previous_scale + S (bcf_previous_scale_bpoidm_middle_table) = S ((S (bcf_predecessor_bpoidm_middle_table)) * bcf_row_scale_scale_bpoidm_middle)) /\ exists bcf_quotient_bpoidm_middle_table_decoded_previous_scale. bcf_row_scale_code_bpoidm_middle = bcf_quotient_bpoidm_middle_table_decoded_previous_scale * S ((S (bcf_predecessor_bpoidm_middle_table)) * bcf_row_scale_scale_bpoidm_middle) + (bcf_previous_scale_bpoidm_middle_table))) /\ (forall bcf_index_bpoidm_middle_table_row_step. (exists bcf_lt_gap_bpoidm_middle_table_row_step_bound. bcf_lt_gap_bpoidm_middle_table_row_step_bound + S (bcf_index_bpoidm_middle_table_row_step) = S (S (n + n))) -> exists bcf_value_bpoidm_middle_table_row_step. ((((exists bcf_height_bpoidm_middle_table_row_step_entry. bcf_height_bpoidm_middle_table_row_step_entry + S (bcf_value_bpoidm_middle_table_row_step) = S ((S (bcf_index_bpoidm_middle_table_row_step)) * bcf_row_scale_bpoidm_middle_table)) /\ exists bcf_quotient_bpoidm_middle_table_row_step_entry. bcf_row_code_bpoidm_middle_table = bcf_quotient_bpoidm_middle_table_row_step_entry * S ((S (bcf_index_bpoidm_middle_table_row_step)) * bcf_row_scale_bpoidm_middle_table) + (bcf_value_bpoidm_middle_table_row_step))) /\ ((bcf_index_bpoidm_middle_table_row_step = 0 /\ bcf_value_bpoidm_middle_table_row_step = 1) \/ exists bcf_predecessor_bpoidm_middle_table_row_step bcf_left_bpoidm_middle_table_row_step bcf_right_bpoidm_middle_table_row_step. bcf_index_bpoidm_middle_table_row_step = S bcf_predecessor_bpoidm_middle_table_row_step /\ ((((exists bcf_height_bpoidm_middle_table_row_step_previous_left. bcf_height_bpoidm_middle_table_row_step_previous_left + S (bcf_left_bpoidm_middle_table_row_step) = S ((S (bcf_predecessor_bpoidm_middle_table_row_step)) * bcf_previous_scale_bpoidm_middle_table)) /\ exists bcf_quotient_bpoidm_middle_table_row_step_previous_left. bcf_previous_code_bpoidm_middle_table = bcf_quotient_bpoidm_middle_table_row_step_previous_left * S ((S (bcf_predecessor_bpoidm_middle_table_row_step)) * bcf_previous_scale_bpoidm_middle_table) + (bcf_left_bpoidm_middle_table_row_step))) /\ ((((exists bcf_height_bpoidm_middle_table_row_step_previous_right. bcf_height_bpoidm_middle_table_row_step_previous_right + S (bcf_right_bpoidm_middle_table_row_step) = S ((S (S (bcf_predecessor_bpoidm_middle_table_row_step))) * bcf_previous_scale_bpoidm_middle_table)) /\ exists bcf_quotient_bpoidm_middle_table_row_step_previous_right. bcf_previous_code_bpoidm_middle_table = bcf_quotient_bpoidm_middle_table_row_step_previous_right * S ((S (S (bcf_predecessor_bpoidm_middle_table_row_step))) * bcf_previous_scale_bpoidm_middle_table) + (bcf_right_bpoidm_middle_table_row_step))) /\ bcf_value_bpoidm_middle_table_row_step = bcf_left_bpoidm_middle_table_row_step + bcf_right_bpoidm_middle_table_row_step))))))))))) /\ ((((exists bcf_height_bpoidm_middle_decoded_row_code. bcf_height_bpoidm_middle_decoded_row_code + S (bcf_row_code_bpoidm_middle) = S ((S (S (n + n))) * bcf_row_code_scale_bpoidm_middle)) /\ exists bcf_quotient_bpoidm_middle_decoded_row_code. bcf_row_code_code_bpoidm_middle = bcf_quotient_bpoidm_middle_decoded_row_code * S ((S (S (n + n))) * bcf_row_code_scale_bpoidm_middle) + (bcf_row_code_bpoidm_middle))) /\ ((((exists bcf_height_bpoidm_middle_decoded_row_scale. bcf_height_bpoidm_middle_decoded_row_scale + S (bcf_row_scale_bpoidm_middle) = S ((S (S (n + n))) * bcf_row_scale_scale_bpoidm_middle)) /\ exists bcf_quotient_bpoidm_middle_decoded_row_scale. bcf_row_scale_code_bpoidm_middle = bcf_quotient_bpoidm_middle_decoded_row_scale * S ((S (S (n + n))) * bcf_row_scale_scale_bpoidm_middle) + (bcf_row_scale_bpoidm_middle))) /\ (((exists bcf_height_bpoidm_middle_decoded_value. bcf_height_bpoidm_middle_decoded_value + S (c) = S ((S (n)) * bcf_row_scale_bpoidm_middle)) /\ exists bcf_quotient_bpoidm_middle_decoded_value. bcf_row_code_bpoidm_middle = bcf_quotient_bpoidm_middle_decoded_value * S ((S (n)) * bcf_row_scale_bpoidm_middle) + (c))))))))) -> (exists bpr_quotient_bpoidm_result. c = (z) * bpr_quotient_bpoidm_result)

Structural proof guide

The selector interval (n+1,2n+1] divides the odd middle coefficient.

Direct prerequisites: add_comm, add_succ_left, add_le_add_left, le_refl, lt_trans, primorial_interval_divides_choose_between. The authored body proceeds by intermediate claims (6), equality transport (2).

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. 0002intro z
  3. 0003intro c
  4. 0004intro hinterval
  5. 0005intro hmiddle
  6. 0006specialize primorial_interval_divides_choose_between (S n)
  7. 0007specialize primorial_interval_divides_choose_between n
  8. 0008specialize primorial_interval_divides_choose_between (S (n + n))
  9. 0009specialize primorial_interval_divides_choose_between n
  10. 0010specialize primorial_interval_divides_choose_between (S n)
  11. 0011specialize primorial_interval_divides_choose_between c
  12. 0012specialize primorial_interval_divides_choose_between z
  13. 0013apply primorial_interval_divides_choose_between
  14. 0014apply PA4
  15. 0015exact hmiddle
  16. 0016exact hinterval
  17. 0017intro i
  18. 0018intro hi
  19. 0019have hright : exists g. g + S (S n) = S (S n + i)
  20. 0020exists i
  21. 0021trans S (i + S n)
  22. 0022apply PA4
  23. 0023congr
  24. 0024apply add_comm
  25. 0025have hleft : exists g. g + S n = S (S n + i)
  26. 0026specialize lt_trans n
  27. 0027specialize lt_trans (S n)
  28. 0028specialize lt_trans (S (S n + i))
  29. 0029apply lt_trans
  30. 0030specialize le_refl (S n)
  31. 0031exact le_refl
  32. 0032exact hright
  33. 0033have hupper : exists g. g + S (S n + i) = S (n + n)
  34. 0034have hraw : exists g. g + (S n + S i) = S n + n
  35. 0035specialize add_le_add_left (S i)
  36. 0036specialize add_le_add_left n
  37. 0037specialize add_le_add_left (S n)
  38. 0038apply add_le_add_left
  39. 0039exact hi
  40. 0040have hadd_left : S n + S i = S (S n + i)
  41. 0041apply PA4
  42. 0042rewrite hadd_left at hraw
  43. 0043have hadd_right : S n + n = S (n + n)
  44. 0044specialize add_succ_left n
  45. 0045specialize add_succ_left n
  46. 0046apply add_succ_left
  47. 0047rewrite hadd_right at hraw
  48. 0048exact hraw
  49. 0049split
  50. 0050exact hleft
  51. 0051split
  52. 0052exact hright
  53. 0053exact hupper