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

⊦ 0 ≤ j ∧ 0 ≤ j0 ∧ i % 10 ≠ 0 ∧ i0 % 10 ≠ 0 ∧ (i + i0) % 10 ≠ 0 → maxScale(i * 10 ^ j + i0 * 10 ^ j0) = min(j, j0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

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