| ∃ refs. dups(refs) ∧ refs .first = r ∧ validrefs(str, refs, (st[jvmref -- sk, val][r -- _type]) .type, st[jvmref -- sk, val]) ⊦ cyclic(str, r, st) |
⊦ validrefs(str, refs, ty, st[jvmref -- sk, val]) ↔ validrefs(str, refs, ty, st)
dups(refs), validrefs(str, refs, (st[jvmref -- sk, val][refs .first -- _type]) .type, st) ⊦ cyclic(str, refs .first, st)
[[CONCRETESIMPRULES : ()]]