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Proof step 35 from proof refine-get-block-free-size (previous step)

remove-refsize0(istore1) = istore1, remove-refsize0(gstore2) = gstore2, elems nx0 ∩ ginval0 = ∅, dom gstore2 ∪ elems nx0 = dom gstore0 ∪ ginval0, btree-inv(rp, adr, istore2, istore1, zh, fi, fi0), inv(istore1), inv(istore2), inv(gstore2), inv(gstore0 \ ginval0), ri-inj(fi0), ri-inj(fi), istore1 ⊑ istore2, pstate.index? → pstate.lnum ∈ istore2 ⊦ pstate = unbuffered, pstate.journal?, dups(nx0), ∃ n. n ≤ LEB_SIZE

Heuristic quantifier closing applied rule exists right

And closed the goal!

Rule argument

pos: right 4 terms: 0

Additional information

Used simplifier rules: ⊦ 0 ≤ m; (s) Used terms: 0