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Proof step 2 from proof binheap-inv-remove-wbufs (previous step)

bin-heap-inv(gch, lpt) ⊦ bin-heap-inv(gch, remove-wbufs(ns, lpt))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
bin-heap-inv(gch, lpt) ⊦ bin-heap-inv(gch, lpt.mapIndices(ns, λ lp. lp.size:= LEB_SIZE))

Rule argument

Additional information

Used simplifier rules: remove-wbufs: ⊦ remove-wbufs(ns, lpt) = lpt.mapIndices(ns, λ lp. lp.size:= LEB_SIZE);