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Proof step 69 from proof sharing-pathex-field-self (previous step)

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

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 68:
refs = r + refs0, r = st[refs .last -- fs '] .refval, validrefs(`docs2store', refs, mkclasstype(`java.lang.Object' .class), st), fs ' ∈ instfields(st[refs .last -- _type] .type .class), is_classtype(st[refs .last -- _type] .type) ⊦ refs .last = jvmref, refs = [], hasSharing(refs .last, st)

Rule argument

[speclemmaarg: refs ≠ [] ,r = refs .first ∧ refs0 = refs .rest ↔ refs = r + refs0 ,[refs, r, refs0] → [refs, r, refs0] ,T ,list-data ,references-olista ,elim-list-c ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : refs ≠ [] ⊦ r = refs .first ∧ refs0 = refs .rest ↔ refs = r + refs0])], [EXTRATERMS : (refs, r, refs0)]]