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Proof step 10 from proof make (previous step)

¬(i < 0 ∧ i0 < 0), ¬(0 < i ∧ i0 < 0), ¬(i ≠ 0 ∧ 0 < i0) ⊦ rational(rational(i, i0).num, rational(i, i0).denom).num = rational(i, i0).num ∧ rational(rational(i, i0).num, rational(i, i0).denom).denom = rational(i, i0).denom

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

Additional information

Used simplifier rules: ⊦ ¬ i < j ↔ j ≤ i;