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Proof step 5 from proof writepage-afs-cons (previous step)

afs-cons(dirs, files) ⊦ [if err = ESUCCESS then afs_check_commit#(dirs, files; err; asynced); if err = ESUCCESS then {buf2 := copy(buf0, ino0, buf2, ino, n); afs_writepage#(inode, pageno, buf2, dirs; err, files; asynced)}] afs-cons(dirs, files)

User applied rule if right

And obtained the following new goals

Proof step 6:
err = ESUCCESS, afs-cons(dirs, files) ⊦ [afs_check_commit#(dirs, files; err; asynced); if err = ESUCCESS then {buf2 := copy(buf0, ino0, buf2, ino, n); afs_writepage#(inode, pageno, buf2, dirs; err, files; asynced)}] afs-cons(dirs, files)
Proof step 57:
afs-cons(dirs, files) ⊦ [skip; if err = ESUCCESS then {buf2 := copy(buf0, ino0, buf2, ino, n); afs_writepage#(inode, pageno, buf2, dirs; err, files; asynced)}] afs-cons(dirs, files), err = ESUCCESS

Rule argument

pos: right 1

Proof step 5 from proof writepage-afs-cons (previous step)

User applied rule if right

And obtained the following new goals

Rule argument

Additional information