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Proof step 2 from proof refsize-cons-remove (previous step)

refsize-cons(gstore, as) ⊦ ¬ refsize-cons(gstore -- n, as) ↔ false

Heuristic simplifier applied rule simplifier

And closed the goal!

Rule argument

Additional information

Used simplifier rules: ⊦ refsize-cons(gstore, as) → refsize-cons(gstore -- n, as); (ss)