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Proof step 8 from proof replay-cons-add-page (previous step)

log-cons(log, fs) ⊦ replay-safe(log, fs, fi ⊖ fo) ∧ replay-log(log, fs, fi ⊖ fo) = ri ⊖ (ro ++ datakey(ino, n)) ↔ replay-safe(log, fs, fi ⊖ fo) ∧ replay(log, fs, fi, fo) = (ri -- datakey(ino, n)) ⊖ ro

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 9:
log-cons(log, fs), replay-safe(log, fs, fi ⊖ fo) ⊦ replay-log(log, fs, fi ⊖ fo) = ri ⊖ (ro ++ datakey(ino, n)) ↔ replay-log(log, fs, fi ⊖ fo) = (ri -- datakey(ino, n)) ⊖ ro

Rule argument

Additional information

Used simplifier rules: replay: ⊦ replay(log, fs, fi, fo) = replay-log(log, fs, fi ⊖ fo);