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Proof step 8 from proof num-neg-03 (previous step)

⊦ (~ rational(0, 1)).num = 0

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 9:
⊦ ~ ri = 0r - ri
Proof step 10:
⊦ (0r - rational(0, 1)).num = 0

Rule argument

name: neg-def rotate: F subst: [ri] → [rational(0, 1)]

Additional information

Used terms: rational(0, 1)