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Proof step 85 from proof refine-write-echdr (previous step)

# buf2 = EB_PAGE_SIZE, apebs[m2] = mkpeb(empty, avhdr, buf0, m1, false), pebs[m2] = mkpeb(buf1, 0, false), m2 < # pebs, m2 < # apebs, abs(pebs, apebs), abs-peb(mkpeb(buf1, 0, false), mkpeb(empty, avhdr, buf0, m1, false)), is-encoded(echdr(m3), buf2), mtd-cons(pebs), ubi-io-inv(apebs) ⊦ ∃ err0. ⌊err0⌋ ∨ err0 = ESUCCESS

Heuristic quantifier closing applied rule exists right

And closed the goal!

Rule argument

pos: right 1 terms: ECOMMIT

Additional information

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