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Proof step 2 from proof scale-neq (previous step)

abs(j) < mkDecimal(i, j).scale ⊦

User applied rule insert lemma

And obtained the following new goals

Proof step 3:
⊦ mkDecimal(i, j).scale ≤ abs(j)

Rule argument

spec: inst: name: scale-le seq: ⊦ mkDecimal(i, j).scale ≤ abs(j) subst: [i, j] → [i, j] flags: current, []

Additional information

Used simplifier rules: lels-03: ⊦ i < j → (¬ ¬ j ≤ i ↔ false); from specification int-abs Used terms: i, j