| ⊦ ∀ v. v ∈ (∅)[default-volid, fill(mkabstractvolume(n), erased)] → ebm-cons((∅)[default-volid, fill(mkabstractvolume(n), erased)][v]) |
v ∈ (∅)[default-volid, fill(mkabstractvolume(n), erased)] ⊦ ebm-cons((∅)[default-volid, fill(mkabstractvolume(n), erased)][v])