BT00Q4

power_divides_zero

Alpha body-checked ยท checked-use disabled

The zeroth relational power divides every natural.

Exact expanded PA statement

forall p a z. z = 0 -> (exists bpv_result_zero. ((exists ff_b_zero_power ff_c_zero_power. ((forall ff_i_zero_power_repeat. (exists ff_lt_zero_power_repeat_bound. ff_lt_zero_power_repeat_bound + S ff_i_zero_power_repeat = z) -> (((exists ff_h_zero_power_repeat_decoded. ff_h_zero_power_repeat_decoded + S (p) = S ((S (ff_i_zero_power_repeat)) * ff_c_zero_power)) /\ exists ff_q_zero_power_repeat_decoded. ff_b_zero_power = ff_q_zero_power_repeat_decoded * S ((S (ff_i_zero_power_repeat)) * ff_c_zero_power) + (p)))) /\ (exists ff_u_zero_power_product ff_v_zero_power_product. ((((exists ff_h_zero_power_product_start. ff_h_zero_power_product_start + S (1) = S ((S (0)) * ff_v_zero_power_product)) /\ exists ff_q_zero_power_product_start. ff_u_zero_power_product = ff_q_zero_power_product_start * S ((S (0)) * ff_v_zero_power_product) + (1))) /\ ((((exists ff_h_zero_power_product_terminal. ff_h_zero_power_product_terminal + S (bpv_result_zero) = S ((S (z)) * ff_v_zero_power_product)) /\ exists ff_q_zero_power_product_terminal. ff_u_zero_power_product = ff_q_zero_power_product_terminal * S ((S (z)) * ff_v_zero_power_product) + (bpv_result_zero))) /\ forall ff_i_zero_power_product. (exists ff_lt_zero_power_product_bound. ff_lt_zero_power_product_bound + S ff_i_zero_power_product = z) -> exists ff_p_zero_power_product ff_r_zero_power_product ff_s_zero_power_product. ((((exists ff_h_zero_power_product_factor. ff_h_zero_power_product_factor + S (ff_p_zero_power_product) = S ((S (ff_i_zero_power_product)) * ff_c_zero_power)) /\ exists ff_q_zero_power_product_factor. ff_b_zero_power = ff_q_zero_power_product_factor * S ((S (ff_i_zero_power_product)) * ff_c_zero_power) + (ff_p_zero_power_product))) /\ ((((exists ff_h_zero_power_product_partial. ff_h_zero_power_product_partial + S (ff_r_zero_power_product) = S ((S (ff_i_zero_power_product)) * ff_v_zero_power_product)) /\ exists ff_q_zero_power_product_partial. ff_u_zero_power_product = ff_q_zero_power_product_partial * S ((S (ff_i_zero_power_product)) * ff_v_zero_power_product) + (ff_r_zero_power_product))) /\ ((((exists ff_h_zero_power_product_successor. ff_h_zero_power_product_successor + S (ff_s_zero_power_product) = S ((S (S ff_i_zero_power_product)) * ff_v_zero_power_product)) /\ exists ff_q_zero_power_product_successor. ff_u_zero_power_product = ff_q_zero_power_product_successor * S ((S (S ff_i_zero_power_product)) * ff_v_zero_power_product) + (ff_s_zero_power_product))) /\ ff_s_zero_power_product = ff_r_zero_power_product * ff_p_zero_power_product)))))))) /\ (exists bpv_factor_zero_divides. a = bpv_result_zero * bpv_factor_zero_divides)))

Structural proof guide

The zeroth relational power divides every natural.

Direct prerequisites: pow_exists, pow_zero, one_multiple. The authored body proceeds by case analysis (1), intermediate claims (2), equality transport (1).

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 p
  2. 0002intro a
  3. 0003intro z
  4. 0004intro hz
  5. 0005have hpower : exists r. (exists ff_b_zero_witness ff_c_zero_witness. ((forall ff_i_zero_witness_repeat. (exists ff_lt_zero_witness_repeat_bound. ff_lt_zero_witness_repeat_bound + S ff_i_zero_witness_repeat = z) -> (((exists ff_h_zero_witness_repeat_decoded. ff_h_zero_witness_repeat_decoded + S (p) = S ((S (ff_i_zero_witness_repeat)) * ff_c_zero_witness)) /\ exists ff_q_zero_witness_repeat_decoded. ff_b_zero_witness = ff_q_zero_witness_repeat_decoded * S ((S (ff_i_zero_witness_repeat)) * ff_c_zero_witness) + (p)))) /\ (exists ff_u_zero_witness_product ff_v_zero_witness_product. ((((exists ff_h_zero_witness_product_start. ff_h_zero_witness_product_start + S (1) = S ((S (0)) * ff_v_zero_witness_product)) /\ exists ff_q_zero_witness_product_start. ff_u_zero_witness_product = ff_q_zero_witness_product_start * S ((S (0)) * ff_v_zero_witness_product) + (1))) /\ ((((exists ff_h_zero_witness_product_terminal. ff_h_zero_witness_product_terminal + S (r) = S ((S (z)) * ff_v_zero_witness_product)) /\ exists ff_q_zero_witness_product_terminal. ff_u_zero_witness_product = ff_q_zero_witness_product_terminal * S ((S (z)) * ff_v_zero_witness_product) + (r))) /\ forall ff_i_zero_witness_product. (exists ff_lt_zero_witness_product_bound. ff_lt_zero_witness_product_bound + S ff_i_zero_witness_product = z) -> exists ff_p_zero_witness_product ff_r_zero_witness_product ff_s_zero_witness_product. ((((exists ff_h_zero_witness_product_factor. ff_h_zero_witness_product_factor + S (ff_p_zero_witness_product) = S ((S (ff_i_zero_witness_product)) * ff_c_zero_witness)) /\ exists ff_q_zero_witness_product_factor. ff_b_zero_witness = ff_q_zero_witness_product_factor * S ((S (ff_i_zero_witness_product)) * ff_c_zero_witness) + (ff_p_zero_witness_product))) /\ ((((exists ff_h_zero_witness_product_partial. ff_h_zero_witness_product_partial + S (ff_r_zero_witness_product) = S ((S (ff_i_zero_witness_product)) * ff_v_zero_witness_product)) /\ exists ff_q_zero_witness_product_partial. ff_u_zero_witness_product = ff_q_zero_witness_product_partial * S ((S (ff_i_zero_witness_product)) * ff_v_zero_witness_product) + (ff_r_zero_witness_product))) /\ ((((exists ff_h_zero_witness_product_successor. ff_h_zero_witness_product_successor + S (ff_s_zero_witness_product) = S ((S (S ff_i_zero_witness_product)) * ff_v_zero_witness_product)) /\ exists ff_q_zero_witness_product_successor. ff_u_zero_witness_product = ff_q_zero_witness_product_successor * S ((S (S ff_i_zero_witness_product)) * ff_v_zero_witness_product) + (ff_s_zero_witness_product))) /\ ff_s_zero_witness_product = ff_r_zero_witness_product * ff_p_zero_witness_product))))))))
  6. 0006specialize pow_exists p
  7. 0007specialize pow_exists z
  8. 0008exact pow_exists
  9. 0009cases hpower
  10. 0010have hr : x = 1
  11. 0011specialize pow_zero p
  12. 0012specialize pow_zero z
  13. 0013specialize pow_zero x
  14. 0014apply pow_zero
  15. 0015exact hz
  16. 0016exact hpower_witness
  17. 0017exists x
  18. 0018split
  19. 0019exact hpower_witness
  20. 0020rewrite hr
  21. 0021specialize one_multiple a
  22. 0022exact one_multiple