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Proof step 10 from proof denum-same (previous step)

⊦ rj.num = 0, abs(rj.denom) / gcd(rj.num, rj.denom) = rj.denom

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: gcd-num-one: ⊦ rj.num ≠ 0 → gcd(rj.num, rj.denom) = 1;%denom-pos: ⊦ ¬ rj.denom < 0;% ⊦ ¬ i ≤ j ↔ j < i;% ⊦ abs(i) = i ↔ 0 ≤ i;% ⊦ i / 1 = i;