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Theorem num-neg

⊦ j ≠ 0 → rational(~ i, ~ j).num = rational(i, j).num

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 7
Used lemmas: numerator-neg2, numerator-neg1, numerator-zero, numerator-pos,
Used spec theorems:
- Used simplifier rules: