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Theorem byte-range

⊦ ~128 ≤ b2i(by) ∧ b2i(by) ≤ 127

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: byte-gr-127, byte-length, byte-nle, byte-nle-01, byte-nls, byte-nls-02, getShort-isi, ubyte-inj,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: byte2int-in, inbyte,
Used spec theorems:
- Used simplifier rules: