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Proof step 7 from proof fail-or-success-prepost (previous step)

⊦ ∃ err0. ⌊err0⌋ ∨ err0 = ESUCCESS

Heuristic quantifier closing applied rule exists right

And obtained the following new goals

Proof step 8:
⊦ ⌊ECOMMIT⌋

Rule argument

pos: right 1 terms: ECOMMIT

Additional information

Used simplifier rules: ecommit: ⊦ ⌊ECOMMIT⌋ ;% ⊦ ESUCCESS ≠ ECOMMIT; (s) Used terms: ECOMMIT