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Theorem sgn-append-05

⊦ ¬ false ∈ bits ∧ bits ≠ [] → sgn(bits + bits0) = sgn(true ' + bits0)

Type: A user defined theorem
Validity: The proof is valid.
Features: localsimp,
Comment:
Used by: lastn-fill-sgn,
Used by units in proved state: int2bits, bytes,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: sgn-append-03,
Used spec theorems:
- Used simplifier rules: