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Proof step 2 from proof inv-get-volume-size (previous step)

ebm-cons(avols), v ∈ avols ⊦ ⟪ebm_get_volume_size#(v, avols; ; n)⟫ true

Heuristic weak unfold applied rule call right

And obtained the following new goals

Proof step 3:
ebm-cons(avols), v ∈ avols ⊦ ⟪if v ∈ avols then n := # avols[v] else abort⟫ true

Rule argument

pos: right 1

Additional information

Used simplifier rules: get-volume-size: ⊦ ;