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Theorem inv-seek
root.dir?, fids-cons(root, fs, ofh) ⊦ ⟪posix_seek#(fd, whence, user, root, fs; n, err, ofh)⟫ fids-cons(root, fs, ofh)
Type: A proof obligation
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 1
Proof steps: 27
Used lemmas:
fid-in-fs
,
fids-cons-reduce
,
seek
,
Used spec theorems:
Used simplifier rules:
posix-base
/
ofh-fids-mod
file-handle
/
setpos
seekflag
/
disj-03
posix-pre
/
pre-seek-esuccess
file-handle
/
elim
posix-pre
/
pre-seek-efail