| m < # avols[v], ebm-cons(avols), v ∈ avols ⊦ ⟪ebm_unmap#(v, m; avols)⟫ ebm-cons(avols) |
m < # avols[v], ebm-cons(avols), v ∈ avols ⊦ ⟪if v ∈ avols ∧ m < # avols[v] then avols[v][m] := unmapped else abort⟫ ebm-cons(avols)
Used simplifier rules: unmap: ⊦ ;