| is_referencevalue(val) ∧ validref(str, val .refval, ty, st), st ⊆ st0 ⊦ is_referencevalue(val) ∧ validref(str, val .refval, ty, st0) |
is_referencevalue(val), validref(str, val .refval, ty, st), st ⊆ st0 ⊦ validref(str, val .refval, ty, st0)
[[CONCRETESIMPRULES : ()]]