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Proof step 1 from proof negate-01 (conclusion)

⊦ rational(~ i, j) = ~ rational(i, j)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ 0 < j → rational(~ i, j) = ~ rational(i, j)
Proof step 3:
¬ 0 < j ⊦ rational(~ i, j) = ~ rational(i, j)

Rule argument

name: negate rotate: F subst: [j, i] → [j, i]

Additional information

Used terms: j, i