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Proof step 66 from proof hasSharing-put-byteval-01 (previous step)

sk = fs ', fs .type = byte_type, is_bytevalue(st[r -- sk]), is_fskey(sk) ⊦ ¬ hasSharing(r0, st[r -- sk, byteval(by)]) ↔ ¬ hasSharing(r0, st), sk = _type, sk = _length, r = jvmref, junkref(str, r0, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 65:
fs .type = byte_type, is_bytevalue(st[r -- fs ']) ⊦ ¬ hasSharing(r0, st[r -- fs ', byteval(by)]) ↔ ¬ hasSharing(r0, st), fs ' = _type, fs ' = _length, r = jvmref, junkref(str, r0, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_fskey(fs ')])]]