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Proof step 3 from proof getbar-mode (previous step)

¬ (_mode .key ≠ _length ∧ is_fskey(_mode .key)) ⊦ getbytearray(r, st[_mode, val]) = getbytearray(r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ getbytearray(r, st[_mode, val]) = getbytearray(r, st), _mode .key ≠ _length ∧ ¬ is_indexkey(_mode .key)

Rule argument

[emptyarg]

Additional information

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