| m < # avols[v], ebm-cons(avols), ebm-cons(avols0), v ∈ avols, avols ⊆ avols0 ⊦ ⟨if v ∈ avols ∧ m < # avols[v] ∧ ¬ avols[v][m].mapped? then {fail_or_success#(; ; err); if err = ESUCCESS then avols[v][m] := mapped(emptyleb, 0)} else abort⟩ (avols ⊆ avols0), avols[v][m].mapped? |
m < # avols[v], ebm-cons(avols0), ebm-cons(avols), v ∈ avols, avols ⊆ avols0 ⊦ ⟨fail_or_success#(; ; err); if err = ESUCCESS then avols[v][m] := mapped(emptyleb, 0)⟩ (avols ⊆ avols0), avols[v][m].mapped?