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Theorem and-bits2int-sgn

⊦ bits ≠ [] ∧ bits0 ≠ [] → bits2int(bitsand(sgn(bits), bits0)) = bits2int(bitsand(bits, bits0))

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: cast-band,
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: and-sgn,
Used spec theorems:
- int2bits/bits2int-sgn-intro
Used simplifier rules:
- int2bits/bits2int-sgn