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Proof step 12 from proof fits-put-02-stronger (previous step)

st[r -- sk] = refval(r0), is_obj(str, r, st), r1 ∈ st, okarray(r1, byte_type, st), fits(r0, sks0, st[r1 -- i ', byteval(by)]), junkref(str, r0, st), is_classtype(st[r -- _type] .type), sk ∈ instfields(st[r -- _type] .type .class) ⊦ r1 = jvmref, r = jvmref, r = r1, junkref(str, r, st), fits(r0, sks0, st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 11:
st[r -- _type] .type = mkclasstype(class), st[r -- sk] = refval(r0), is_obj(str, r, st), r1 ∈ st, okarray(r1, byte_type, st), fits(r0, sks0, st[r1 -- i ', byteval(by)]), junkref(str, r0, st), is_classtype(st[r -- _type] .type), sk ∈ instfields(class) ⊦ r1 = jvmref, r = jvmref, r = r1, junkref(str, r, st), fits(r0, sks0, st)

Rule argument

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

Additional information

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