| ⊦ ri-cons(ri, nodes(gstore ↓, ginval)) ∧ inv(gstore \ ginval) → ((range ri | m).size = 0 ↔ ¬(∃ adr. adr ∈ range ri ∧ adr.lnum = m)) |
inv(gstore \ ginval), ri-cons(ri, nodes(gstore ↓, ginval)) ⊦ (range ri | m).size = 0 ↔ ¬(∃ adr. adr ∈ range ri ∧ adr.lnum = m)