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Proof step 5 from proof crash-neutral-sync (previous step)

afs-cons(dirs, files) ⊦ ⟨choose err0 with ⌊err0⌋ ∨ err0 = ESUCCESS in err := err0; asynced := err = ESUCCESS⟩ asynced

User applied rule choose right

And obtained the following new goals

Proof step 6:
afs-cons(dirs, files) ⊦ ∃ err0. (⌊err0⌋ ∨ err0 = ESUCCESS) ∧ ⟨err := err0; asynced := err = ESUCCESS⟩ asynced

Rule argument

pos: right 1

Additional information