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Theorem intshiftleft-num

⊦ (* i) i<< (* j) = bits2int(int2bits(i) + mklist(false, i→n(band(j, 31))))

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
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: band-commutativity, intshiftleft,
Used spec theorems:
- Used simplifier rules: