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Proof step 3 from proof inv-create-volume (previous step)

ebm-cons(avols), ¬ v ∈ avols ⊦ ⟪ebm_create_volume#(v, n; avols; err)⟫ ebm-cons(avols)

Heuristic nonrecursive calls applied rule call right

And obtained the following new goals

Proof step 4:
ebm-cons(avols) ⊦ ⟪if ¬ v ∈ avols then {fail_or_success#(; ; err); if err = ESUCCESS then avols[v] := fill(mkabstractvolume(n), erased)} else abort⟫ ebm-cons(avols), v ∈ avols

Rule argument

pos: right 1

Additional information

Used simplifier rules: create-volume: ⊦ ;