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Proof step 138 from proof truncate-empty (previous step)

files[ino] = mkfile(m0, md, # links(ino, dirs), content0), afs-cons(dirs, files), ino ∈ files ⊦ [fail#(; ; err); asynced := ?] (err = ESUCCESS → content0.stream from n = σ⊥)

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 139:
files[ino] = mkfile(m0, md, # links(ino, dirs), content0), afs-cons(dirs, files), ino ∈ files ⊦ [choose err0 with ⌊err0⌋ in err := err0; asynced := ?] (err = ESUCCESS → content0.stream from n = σ⊥)

Rule argument

pos: right 1

Additional information

Used simplifier rules: fail#(; ; ERR){choose ERR0 with ⌊ERR0⌋ in ERR := ERR0};