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Proof step 2 from proof elim-is-buf-suc (previous step)

⊦ bleb = nobuffer, bleb.isbuf?

User applied rule constructor cut

And closed the goal!

Rule argument

var: bleb

Additional information

Used simplifier rules: gen: ⊦ ;%disj: ⊦ nobuffer ≠ buffered(m);%test-02: ⊦ buffered(m).isbuf?;