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Theorem gcd-add

⊦ gcd(n, m + n) = gcd(m, n)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 1
Used lemmas: gcd-a, gcd-sym, gcd-rec2,
Used spec theorems:
- Used simplifier rules: