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Proof step 9 from proof inv-get-block-free-size (previous step)

remove-refsize0(gstore1) = gstore1, remove-refsize0(istore1) = istore1, elems nx ∩ ginval2 = ∅, dom gstore1 ∪ elems nx = dom gstore2 ∪ ginval2, btree-inv(rp, adr, istore2, istore1, zh, ri, fi), inv(gstore2 \ ginval2), inv(gstore1), inv(istore2), inv(istore1), istore1 ⊑ istore2, pstate.journal? → nx ≠ [] ∧ pstate.lnum = nx.last ∧ pstate.lnum ∈ gstore2, pstate.index? → pstate.lnum ∈ istore2 ⊦ pstate = unbuffered, dups(nx), ∃ n. n ≤ LEB_SIZE

Heuristic quantifier closing applied rule exists right

And closed the goal!

Rule argument

pos: right 3 terms: 0

Additional information

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