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Proof step 2 from proof inv-is-readonly (previous step)

# lpt = # avol, awbuf-inv(avol, bleb) ⊦ ⟪awbuf_is_readonly#(adr, m, nx, avol, lpt, ns, bleb, isbuf; ; isbuf0)⟫ true

Heuristic unfold applied rule call right

And obtained the following new goals

Proof step 3:
# lpt = # avol, isbuf0 ↔ isbuf, awbuf-inv(avol, bleb) ⊦ ⟪isbuf := isbuf0⟫ true

Rule argument

pos: right 1

Additional information

Used simplifier rules: is-readonly: ⊦ ;