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Proof step 3 from proof inv-map (previous step)

m < # avols[v], ebm-cons(avols), v ∈ avols, ¬ avols[v][m].mapped? ⊦ ⟪ebm_map#(v, m; avols; err)⟫ ebm-cons(avols)

Heuristic nonrecursive calls applied rule call right

And obtained the following new goals

Proof step 4:
m < # avols[v], ebm-cons(avols), v ∈ avols ⊦ ⟪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⟫ ebm-cons(avols), avols[v][m].mapped?

Rule argument

pos: right 1

Additional information

Used simplifier rules: map: ⊦ ;