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Proof step 5 from proof getint-zero (previous step)

¬(i % 10 = 0 ∧ j ≠ 0 ∧ i ≠ 0), mkDecimal(i, j).int = 0, ∀ i0, j. i→n(i0) < i→n(i) → mkDecimal(i0, j).int = 0 → i0 = 0 ⊦ i = 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information