| eq-entry(n, lref) ∈ q - v ⊦ ∃ n. eq-entry(n, lref) ∈ q |
eq-entry(n, lref) ∈ eqent + q0 - v, ∀ n, lref, v. eq-entry(n, lref) ∈ q0 - v → (∃ n. eq-entry(n, lref) ∈ q0) ⊦ ∃ n. eq-entry(n, lref) ∈ eqent + q0
Used simplifier rules: queue-rm-v-base: ⊦ [] - v = [];%queue freely generated by [], +;;% ⊦ ¬ eqent ∈ []; (s)