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Proof step 6 from proof mkDecimal-enlarge (previous step)

∀ j1, i, j. i→n(j1) < i→n(0) → 0 ≤ j1 → mkDecimal(i, j) = mkDecimal(i * 10 ^ j1, abs(j) + j1) ⊦ mkDecimal(i, j) = mkDecimal(i, abs(j))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: inst: name: mkDecimal-scale-not-neg seq: ⊦ mkDecimal(i, j) = mkDecimal(i, abs(j)) subst: [j, i] → [j, i] flags: rewrite, current

Additional information

Used terms: j, i