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Proof step 1 from proof crash-neutral-truncate (conclusion)

∀ key. key ∈ pcache → key.data? ⊦ ⟨pcache_truncate#(ino, size, n; err, pcache)⟩ true

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 2:
∀ key. key ∈ pcache → key.data? ⊦ ⟨if ∀ key. key ∈ pcache → key.data? then pcache := truncate(ino, min(n, size), pcache) else abort⟩ true

Rule argument

pos: right 1

Additional information

Used simplifier rules: truncate: ⊦ ;