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Theorem gcd-rec-pos

⊦ 0 < j ∧ 0 ≤ i → gcd(i, j) = gcd(j, i % j)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: gcd-rec-sub, num-gcd-pos,
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-com, gcd-zero-04, gcd-rec,
Used spec theorems:
- Used simplifier rules:
  - int-abs/abs-16
  - int-abs/absle