| st[r -- sks0] = st[r -- sks], fits(r, sks0, st), fits(r, sks, st) ⊦ st[r -- sks] .refval = jvmref, sks0 = sks, ∃ sks1, sks2. fits(r, sks1, st) ∧ fits(r, sks2, st) ∧ sks1 ≠ sks2 ∧ sks1 ≠ [] ∧ sks2 ≠ [] ∧ st[r -- sks1] .refval ≠ jvmref ∧ st[r -- sks1] = st[r -- sks2] |
st[r -- sks] = refval(r0) ∧ is_referencevalue(st[r -- sks]), st[r -- sks0] = st[r -- sks], fits(r, sks0, st), fits(r, sks, st) ⊦ r0 = jvmref, sks0 = sks, ∃ sks1, sks2. fits(r, sks1, st) ∧ fits(r, sks2, st) ∧ sks1 ≠ sks2 ∧ sks1 ≠ [] ∧ sks2 ≠ [] ∧ st[r -- sks1] .refval ≠ jvmref ∧ st[r -- sks1] = st[r -- sks2]
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ is_referencevalue(val) → val .refval = jvmref], [CSIMPELIM : is_referencevalue(val) ⊦ r = val .refval ↔ val = refval(r)])], [EXTRATERMS : (st[r -- sks], r0)]]