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Theorem uint2bits-sgn-false

⊦ 0 ≤ j → sgn(false ' + uint2bits(j)) = uint2bits(j)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: uint2bits-succ,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 4
Used lemmas: uint2bits-zero, uint2bits-sgn, uint2bits-first, uint2bits-empty,
Used spec theorems:
- bitopsaux/sgn-rec-01
Used simplifier rules:
- int-abs/lels
- int-abs/anti
- bitopsaux/sgn-one
- list/bitlista/c-04
- int-abs/lels-01
- int-abs/lels-04