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Proof step 29 from proof validval-putrkvs (previous step)

sk .fs = mkfs(class, ty, fieldvar), is_indexkey(sk), validvals(str, rkvs, st), okval(val, st[r -- _type] .type .type), is_referencevalue(val), validrefval(str, val, st[r -- _type] .type .type, st) ⊦ validref(str, val .refval, st[r -- _type] .type .type, st[rkvs])

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 28:
val = refval(r0), sk .fs = mkfs(class, ty, fieldvar), is_indexkey(sk), validvals(str, rkvs, st), okval(val, st[r -- _type] .type .type), is_referencevalue(val), validrefval(str, val, st[r -- _type] .type .type, st) ⊦ validref(str, r0, st[r -- _type] .type .type, st[rkvs])

Rule argument

[speclemmaarg: ,is_referencevalue(val) → (r = val .refval ↔ val = refval(r)) ,[val, r] → [val, r0] ,T ,javavalue , ,elim-13 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ is_referencevalue(val) → ( r = val .refval ↔ val = refval(r))])], [EXTRATERMS : (val, r0)]]