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Proof step 11 from proof mkDecimal-scale-not-neg (previous step)

i % 10 = 0 ∧ abs(j) ≠ 0 ∧ i ≠ 0, i % 10 = 0 ⊦ j = 0, i = 0, mkDecimal(i / 10, abs(j) - 1).int = mkDecimal(i / 10, abs(abs(j)) - 1).int ∧ mkDecimal(i, j).scale = mkDecimal(i, abs(j)).scale

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: abs-01: ⊦ abs(abs(i)) = abs(i); from specification int-abs%abs-07: ⊦ abs(i) = 0 ↔ i = 0; from specification int-abs