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Proof step 15 from proof rm-vl-in-before (previous step)

eq-entry(n, lref) ∈ q0, ∀ n, lref, lref0. eq-entry(n, lref) ∈ q0 → lref = lref0 ∨ (∃ n. eq-entry(n, lref) ∈ q0 - lref0) ⊦ lref = lref0, lref1 = lref0, ∃ n0. eq-entry(n0, lref) = eq-entry(m, lref1) ∨ eq-entry(n0, lref) ∈ q0 - lref0

Heuristic quantifier applied rule all left

And obtained the following new goals

Rule argument

pos: left 2 terms: n, lref, lref0

Additional information

Used terms: n, lref, lref0