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Proof step 26 from proof validrefkeynotnull-put-shortval (conclusion)

⊦ r ≠ jvmref ∧ sk ≠ _length ∧ sk .fs .type = short_type ∧ ¬ is_indexkey(sk) ∧ is_shortvalue(st[r -- sk]) ∧ validrefkeynotnull(str, rk, ty, st) → validrefkeynotnull(str, rk, ty, st[r -- sk, shortval(sho)])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 25:
sk .fs .type = short_type, is_shortvalue(st[r -- sk]), validrefkeynotnull(str, rk, ty, st), is_fskey(sk) ⊦ sk = _length, r = jvmref, validrefkeynotnull(str, rk, ty, st[r -- sk, shortval(sho)])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ is_indexkey(sk) ↔ is_fskey(sk)])]]