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Proof step 7 from proof denum-same (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
⊦ rj.num = 0, abs(rj.denom) / gcd(abs(rj.num), abs(rj.denom)) = rj.denom

Rule argument

Additional information

Used simplifier rules: ⊦ abs(abs(i)) = abs(i);