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Proof step 20 from proof pot-isSquare (previous step)

∃ j. j * j = i, 0 < i, 0 < j ⊦ isSquare(i ^ j)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 21:
0 < j, 0 < j0 * j0 ⊦ isSquare((j0 * j0) ^ j)

Rule argument

Additional information

Used simplifier rules: forward-le-05: ⊦ i < j ∧ 0 ≤ i → 0 < j; (forward) from specification int-abs