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Theorem gcd-num-one

⊦ rj.num ≠ 0 → gcd(rj.num, rj.denom) = 1

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: abs-num, denum-same, exrat-gcd1,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 5
Proof steps: 9
Used lemmas: numerator-neg2, denominator-pos, denominator-zero-den, numerator-zero-den, numerator-neg1, denominator-zero, numerator-zero, numerator-pos, gen,
Used spec theorems:
- Used simplifier rules: