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Proof step 13 from proof junkref-ac (previous step)

∀ r, str, class, st. r = jvmref ∨ (junkref(str, r, addclass(class, fis0, st)) ↔ junkref(str, r, st)) ⊦ junkref(str, r, addclass(class, fis0, st)[jvmref -- mkfs(class, ty, fieldvar) ', val]) ↔ junkref(str, r, st), r = jvmref

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 11:
⊦ rk1 .ref = jvmref ∧ r ≠ jvmref → (junkref(str, r, st[rk1, val]) ↔ junkref(str, r, st))
Proof step 12:
(jvmref -- mkfs(class, ty, fieldvar) ') .ref = jvmref ∧ r ≠ jvmref, ∀ r, str, class, st. r = jvmref ∨ (junkref(str, r, addclass(class, fis0, st)) ↔ junkref(str, r, st)) ⊦ junkref(str, r, addclass(class, fis0, st)) ↔ junkref(str, r, st), r = jvmref

Rule argument

[crewrite-arg: junkref-put-statfield , F , [val, rk1, st, r, str] → [val, jvmref -- mkfs(class, ty, fieldvar) ', addclass(class, fis0, st), r, str] ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (addclass(class1, fis, st) [ jvmref -- mkfs(class1, ty, fieldvar) ', val ] ) = addclass (class1, fis[mkfs(class1, ty, fieldvar) ', val], st)], [CSIMPSEQ : ⊦ (r -- sk) .ref = r])], [EXTRATERMS : (val, jvmref -- mkfs(class, ty, fieldvar) ', addclass(class, fis0, st), r, str)]]