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Proof step 6 from proof inv-remap (previous step)

m < # avols[default-volid], ebm-cons(avols), default-volid ∈ avols ⊦ ⟪ebm_vol_unmap#(m, default-volid; avols); ebm_map#(default-volid, m; avols; err)⟫ (default-volid ∈ avols ∧ ebm-cons(avols))

Heuristic nonrecursive calls applied rule call right

And obtained the following new goals

Proof step 7:
v = default-volid, m < # avols[default-volid], ebm-cons(avols), default-volid ∈ avols ⊦ ⟪if m < # avols[v] then ebm_unmap#(v, m; avols) else abort; ebm_map#(default-volid, m; avols; err)⟫ (default-volid ∈ avols ∧ ebm-cons(avols))

Rule argument

pos: right 1

Additional information

Used simplifier rules: unmap: ⊦ ;