| (st[jvmref -- sk, val][r -- sks0]) = (st[jvmref -- sk, val][r -- sks]), fits(r, sks0, st[jvmref -- sk, val]), fits(r, sks, st[jvmref -- sk, val]), ∀ sks, sks0. ¬ fits(r, sks, st) ∨ ¬ fits(r, sks0, st) ∨ sks = sks0 ∨ sks = [] ∨ sks0 = [] ∨ st[r -- sks] .refval = jvmref ∨ st[r -- sks] ≠ st[r -- sks0] ⊦ sks0 = sks, sks0 = [], sks = [], (st[jvmref -- sk, val][r -- sks]) .refval = jvmref, junkref(str, r, st) |
(st[jvmref -- sk, val][r -- sks]) = refval(r0) ∧ is_referencevalue(st[jvmref -- sk, val][r -- sks]), (st[jvmref -- sk, val][r -- sks0]) = (st[jvmref -- sk, val][r -- sks]), fits(r, sks0, st[jvmref -- sk, val]), fits(r, sks, st[jvmref -- sk, val]), ∀ sks, sks0. ¬ fits(r, sks, st) ∨ ¬ fits(r, sks0, st) ∨ sks = sks0 ∨ sks = [] ∨ sks0 = [] ∨ st[r -- sks] .refval = jvmref ∨ st[r -- sks] ≠ st[r -- sks0] ⊦ sks0 = sks, sks0 = [], sks = [], r0 = jvmref, junkref(str, r, st)
[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ is_referencevalue(val) → val .refval = jvmref], [CSIMPELIM : is_referencevalue(val) ⊦ r = val .refval ↔ val = refval(r)])], [EXTRATERMS : (st[jvmref -- sk, val][r -- sks], r0)]]