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Theorem band-num

⊦ band((* i), (* j)) = bits2int(bitsand(int2bits(i), int2bits(j)))

Type: A user defined theorem
Validity: The proof is valid.
Features: automatic,
Comment:
Used by: band-011x-is-unsigned-03, intshiftright-mone, intshiftrsign-rec-neg, intshiftrsign-zero, intshiftzero-mone,
Used by units in proved state: byte,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 2
Used lemmas: band-commutativity, band-associativity, band-def,
Used spec theorems:
- Used simplifier rules: