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Proof step 2 from proof exception-01 (conclusion)

⊦ exception(class1, st[_mode, throw(r, mkclasstype(class1))])

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ exception(class1, st) ↔ is_throw_mode(st[_mode]) ∧ st[_mode] .type = mkclasstype(class1)

Rule argument

[crewrite-arg: exception , F , [st, class1] → [st[_mode, throw(r, mkclasstype(class1))], class1] ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (st[rk0, val][rk]) = ((rk = rk0 ⊃ val; st[rk]))], [CSIMPSEQ : ⊦ is_throw_mode(throw(r, ty))], [CSIMPSEQ : ⊦ throw(r, ty) .type = ty], [CSIMPSEQ : ⊦ mkclasstype(class) = mkclasstype(class0) ↔ class = class0])], [EXTRATERMS : (st[_mode, throw(r, mkclasstype(class1))], class1)]]