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Proof step 1 from proof pot-square-est-01 (conclusion)

⊦ 0 ≤ i → ¬ 4 ^ i ≤ i * i

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
4 ^ i ≤ i * i, 0 ≤ i ⊦

Rule argument

Additional information

Used simplifier rules: forward-le-01: ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j; (forward) from specification int-abs