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Theorem byte-unsigned
⊦ 128 ≤ i ∧ i < 256 → i2b(i) = i2b(i - 256)
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
byte-law-div-not
,
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 3
Proof steps: 4
Used lemmas:
bib-upper
,
num-ibbi
,
byte-equal
,
Used spec theorems:
Used simplifier rules:
int-abs
/
sub-eq
int-abs
/
numlsledel-01
int-abs
/
numlelsdel
int-abs
/
sub-le-01
int-abs
/
numleledel-01
int-abs
/
sub-le
int-abs
/
lels-01
int-basic1
/
lst
int-basic1
/
forward-pos
int-abs
/
forward-le
int-abs
/
forward-le-01
int-abs
/
forward-lels