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Proof step 4 from proof validrefnotnull-put-statfield-01 (previous step)

validrefnotnull(str, r, ty1, st) ⊦ validrefnotnull(str, r, ty1, st[jvmref -- sk, val])

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ rk1 .ref = jvmref ∧ r ≠ jvmref ∧ validrefnotnull(str, r, ty1, st) → validrefnotnull(str, r, ty1, st[rk1, val])
Proof step 3:
⊦ validrefnotnull(str, r, ty, st) → r ≠ jvmref

Rule argument

[crewrite-arg: validrefnotnull-put-statfield , F , [val, rk1, st, ty1, r, str] → [val, jvmref -- sk, st, ty1, r, str] ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ (r -- sk) .ref = r])], [EXTRATERMS : (val, jvmref -- sk, st, ty1, r, str)]]