| m < # avols[v], ebm-cons(avols), v ∈ avols, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪err := err0; if err = ESUCCESS then avols[v][m] := mapped(emptyleb, 0)⟫ ebm-cons(avols), avols[v][m].mapped? |
m < # avols[v], ebm-cons(avols), v ∈ avols, ⌊err0⌋ ∨ err0 = ESUCCESS ⊦ ⟪if err0 = ESUCCESS then avols[v][m] := mapped(emptyleb, 0)⟫ ebm-cons(avols), avols[v][m].mapped?