| ⊦ ¬ is_referencevalue(val) ∧ validref(str, r, ty, st) ∧ okval(val, st[r1 -- _type] .type .type) → validref(str, r, ty, st[r1 -- i ', val]) |
okval(val, st[r1 -- _type] .type .type), validref(str, r, ty, st) ⊦ is_referencevalue(val), validref(str, r, ty, st[r1 -- i ', val])
[[CONCRETESIMPRULES : ()]]