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Theorem byte-nge
i ≥ 128 ⊦ ¬ (* i) ≤ b2i(by)
Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
band-011x-01
,
bint-byte
,
byte-le-256
,
byte-length
,
byte-nle-01
,
cast-b2i-01
,
fits-law-add
,
fits-law-band-01
,
fits-law-mul
,
fits-law-sub
,
shiftright-byte-8-pos-01
,
Used by units in proved state:
bytes
,
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 1
Proof steps: 3
Used lemmas:
byte-ngr
,
Used spec theorems:
Used simplifier rules:
int-abs
/
forward-le
int-abs
/
forward-le-01
int-abs
/
forward-lele
int-abs
/
lels
int-abs
/
lels-04
int-abs
/
ge-def
int-abs
/
sub-pred
int-abs
/
sub-ls
int-abs
/
succ-02
int-abs
/
lels-01
int-basic1
/
irref
int-basic2
/
add-a
int-basic2
/
add-c