PA00CG

odd_division_parity_iff

Alpha v16 checked-use theorem · independently closed; not Stable

An exact quotient-remainder equation with odd coefficient preserves the complete parity classification.

Exact expanded PA statement

forall p q r n. (exists pod_odd_multiplier. p = 2 * pod_odd_multiplier + 1) -> n = p * q + r -> (((((exists pod_even_division_n_even. n = 2 * pod_even_division_n_even) -> (exists pod_even_division_qr_even. q + r = 2 * pod_even_division_qr_even)) /\ ((exists pod_even_division_qr_even. q + r = 2 * pod_even_division_qr_even) -> (exists pod_even_division_n_even. n = 2 * pod_even_division_n_even)))) /\ ((((exists pod_odd_division_n_odd. n = 2 * pod_odd_division_n_odd + 1) -> (exists pod_odd_division_qr_odd. q + r = 2 * pod_odd_division_qr_odd + 1)) /\ ((exists pod_odd_division_qr_odd. q + r = 2 * pod_odd_division_qr_odd + 1) -> (exists pod_odd_division_n_odd. n = 2 * pod_odd_division_n_odd + 1)))))

Structural proof guide

Generated structural guide

An exact quotient-remainder equation with odd coefficient preserves the complete parity classification.

Use the direct prerequisites odd_division_even_iff, odd_division_odd_iff as previously established PA formulas.

The proof proceeds by direct introduction and elimination.

Referenced ingredients

Proof neighborhood

Direct dependencies

Direct dependents

Formal native tactic body

Dependencies are introduced as named hypotheses before line 1. Linked names are exact direct references. This Alpha-v16 checked-use theorem is independently kernel-checked when replayed; it is not a Stable theorem.

  1. 0001intro p
  2. 0002intro q
  3. 0003intro r
  4. 0004intro n
  5. 0005intro hp
  6. 0006intro hdivision
  7. 0007split
  8. 0008specialize odd_division_even_iff p
  9. 0009specialize odd_division_even_iff q
  10. 0010specialize odd_division_even_iff r
  11. 0011specialize odd_division_even_iff n
  12. 0012apply odd_division_even_iff
  13. 0013exact hp
  14. 0014exact hdivision
  15. 0015specialize odd_division_odd_iff p
  16. 0016specialize odd_division_odd_iff q
  17. 0017specialize odd_division_odd_iff r
  18. 0018specialize odd_division_odd_iff n
  19. 0019apply odd_division_odd_iff
  20. 0020exact hp
  21. 0021exact hdivision