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Theorem denom-neg-01

⊦ rational(~ i, j).denom = rational(i, j).denom

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: denom-neg-02, negate, sub-def-01,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 3
Used lemmas: denom-one, zero-denom, denominator-zero-den, denominator-zero, denominator-pos,
Used spec theorems:
- Used simplifier rules:
  - int-gcd/gcd-neg
  - int-abs/neg-10