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Proof step 7 from proof newrefs-new (previous step)

r -- sk ∈ st, r ∈ newref_list(m, st[newref(st) -- 0 ', noval]), r ∈ st, ∀ rk0. rk0 = newref(st) -- 0 ' ∨ rk0 ∈ st → rk0 .ref ≠ r ⊦ r = jvmref, r = newref(st)

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 4, [QUANTTERMLIST : (r -- sk)]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ r -- sk = r0 -- sk0 ↔ ¬ ¬ (r = r0 ∧ sk = sk0)], [CSIMPSEQ : ⊦ (r -- sk) .ref = r])], [EXTRATERMS : (r -- sk)]]