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Proof step 10 from proof square-le-one (previous step)

¬ i ≠ 3 -1, 0 < i, 0 < sqrt(i), 1 < sqrt(i), i < 3 ⊦ i = 3

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: square-two: ⊦ sqrt(2) = 1;