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Proof step 65 from proof sharing-pathex-field-self (previous step)

is_classtype(st[refs0 .last -- _type] .type), fs ' ∈ instfields(st[refs0 .last -- _type] .type .class), validrefs(`docs2store', st[refs0 .last -- fs '] .refval ' + refs0, mkclasstype(`java.lang.Object' .class), st) ⊦ refs0 .last = jvmref, refs0 = [], hasSharing(refs0 .last, st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 64:
st[refs0 .last -- _type] .type = mkclasstype(class), is_classtype(st[refs0 .last -- _type] .type), fs ' ∈ instfields(class), validrefs(`docs2store', st[refs0 .last -- fs '] .refval ' + refs0, mkclasstype(`java.lang.Object' .class), st) ⊦ refs0 .last = jvmref, refs0 = [], hasSharing(refs0 .last, st)

Rule argument

[speclemmaarg: ,is_classtype(ty) → (class = ty .class ↔ ty = mkclasstype(class)) ,[ty, class] → [st[refs0 .last -- _type] .type, class] ,T ,javatype , ,elim-02 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ is_classtype(ty) → ( class = ty .class ↔ ty = mkclasstype(class))])], [EXTRATERMS : (st[refs0 .last -- _type] .type, class)]]