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Proof step 17 from proof two-le-three (
previous step
)
3 < 1 ^2, 0 < 1 ^2, 1 < 1 ^2 ⊦
User applied rule insert rewrite lemma
And obtained the following new goals
Proof step 18
:
⊦ i ^2 = i * i
Rule argument
spec: <toplevel> name: Square-def seq: ⊦ i ^2 = i * i subst: [i] → [1] flags: <all paths>
Additional information
Used terms: 1