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Proof step 1 from proof maxScale-pot10-02 (conclusion)

⊦ 0 ≤ j ∧ i ≠ 0 → maxScale(i * 10 ^ j) = maxScale(i) + j

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
0 ≤ j ⊦ maxScale(i * 10 ^ j) = maxScale(i) + j, i = 0

Rule argument

Additional information

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