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Proof step 11 from proof validval-putrkvs (previous step)

is_referencevalue(val), validvals(str, rkvs, st), is_reftype(ty), validrefval(str, val, ty, st) ⊦ mkfs(class, ty, fieldvar) ' = _length, ty = void_type, is_referencevalue(val) ∧ validref(str, val .refval, ty, st[rkvs])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 10:
is_referencevalue(val), validvals(str, rkvs, st), is_reftype(ty), validrefval(str, val, ty, st) ⊦ mkfs(class, ty, fieldvar) ' = _length, ty = void_type, validref(str, val .refval, ty, st[rkvs])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]