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Proof step 129 from proof validval-put-any (previous step)

val0 = refval(r0), sk .fs = mkfs(class, ty, fieldvar), validval(str, rk, val, st), is_indexkey(sk), okval(val0, st[r -- _type] .type .type), is_referencevalue(val0), validrefval(str, val0, st[r -- _type] .type .type, st) ⊦ r -- _type = rk, validref(str, r0, st[r -- _type] .type .type, st[rk, val])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 77:
⊦ validrefval(str, refval(r), ty, st) ↔ validref(str, r, ty, st)
Proof step 128:
sk .fs = mkfs(class, ty, fieldvar), validval(str, rk, val, st), is_indexkey(sk), okval(refval(r0), st[r -- _type] .type .type), validref(str, r0, st[r -- _type] .type .type, st) ⊦ r -- _type = rk, validref(str, r0, st[r -- _type] .type .type, st[rk, val])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_referencevalue(refval(r))])]]