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Proof step 9 from proof crash-neutral-check-commit (previous step)

afs-cons(dirs, files) ⊦ ∃ bv. ⟨asynced := bv⟩ asynced, ∃ err0. ⌊err0⌋ ∧ ⟨err := err0; choose bv with true in asynced := bv⟩ asynced

User applied rule exists right

And obtained the following new goals

Proof step 10:
afs-cons(dirs, files) ⊦ ⟨asynced := true⟩ asynced, ∃ err0. ⌊err0⌋ ∧ ⟨err := err0; choose bv with true in asynced := bv⟩ asynced

Rule argument

pos: right 1 terms: true abort: F discard: T computed: F

Additional information

Used terms: true