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Proof step 2 from proof log-group-block-remove-wbufs (previous step)

log-group-block(nx, lpt) ⊦ log-group-block(nx, remove-wbufs(ns, lpt))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
n ∈ nx, ∀ n. n ∈ nx → n < # lpt ∧ lpt[n].flags = LP_GROUP_NODES ⊦ n < # lpt ∧ lpt.mapIndices(ns, λ lp. lp.size:= LEB_SIZE)[n].flags = LP_GROUP_NODES

Rule argument

Additional information

Used simplifier rules: log-group-block: ⊦ log-group-block(nx, lpt) ↔ (∀ n. n ∈ nx → n < # lpt ∧ lpt[n].flags = LP_GROUP_NODES);%remove-wbufs: ⊦ remove-wbufs(ns, lpt) = lpt.mapIndices(ns, λ lp. lp.size:= LEB_SIZE);% ⊦ # lpt.mapIndices(ns, lptfun) = # lpt; (s)