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Proof step 19 from proof test-sqrt-04 (previous step)

even(4) ⊦ sqrt(29000000) = 5385, 5385 ^2 ≤ 29000000 ∧ 29000000 < 5386 ^2

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 20:
⊦ i ^2 = i * i
Proof step 21:
even(4) ⊦ sqrt(29000000) = 5385, 5385 * 5385 ≤ 29000000 ∧ 29000000 < 5386 ^2

Rule argument

spec: int-square inst: name: Square-def seq: ⊦ i ^2 = i * i subst: [i] → [5385] flags: rewrite

Additional information

Used terms: 5385