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Theorem gcd-sym

⊦ gcd(m, n) ≠ gcd(n, m) ↔ false

Type: A user defined theorem
Validity: The proof is valid.
Features: localsimp, simp,
Comment:
Used by: gcd-add, gcd-rec2, gcd-sym-eq,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: gcd-c,
Used spec theorems:
- Used simplifier rules: