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Proof step 1 from proof mkDecimal-maxScale-nle-scale (conclusion)

⊦ ¬ maxScale(i) ≤ abs(j) → mkDecimal(i, j).scale = 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
abs(j) < maxScale(i) ⊦ mkDecimal(i, j).scale = 0

Rule argument

Additional information

Used simplifier rules: lels-01: ⊦ ¬ i ≤ j ↔ j < i; from specification int-abs