| eq-entry(n, lref) ∈ q0 - v, eq-entry(n, lref) ∈ q0 - v → (∃ n. eq-entry(n, lref) ∈ q0), ∀ n, lref, v. eq-entry(n, lref) ∈ q0 - v → (∃ n. eq-entry(n, lref) ∈ q0), lref0 = none ∨ lref0.vol ≠ v ⊦ eq-entry(n, lref) = eq-entry(m, lref0), eq-entry(n, lref) ∈ q0, ∃ n0. eq-entry(n0, lref) = eq-entry(m, lref0) ∨ eq-entry(n0, lref) ∈ q0 |
eq-entry(n, lref) ∈ q0 - v, eq-entry(n0, lref) ∈ q0, ∀ n, lref, v. eq-entry(n, lref) ∈ q0 - v → (∃ n. eq-entry(n, lref) ∈ q0), lref0 = none ∨ lref0.vol ≠ v ⊦ eq-entry(n, lref) = eq-entry(m, lref0), eq-entry(n, lref) ∈ q0, ∃ n0. eq-entry(n0, lref) = eq-entry(m, lref0) ∨ eq-entry(n0, lref) ∈ q0