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Theorem int2bytes-first-neg-01
⊦ i < 0 → int2bytes(i) ≠ i2b(0) ' + bytes
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
int2bytes-leading-zeros
,
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 12
Proof steps: 28
Used lemmas:
int2bytes-empty
,
int2bytes-byte
,
int2bytes-rec255-neg
,
Used spec theorems:
byte
/
i2b-equal
byte
/
bib-in-01
list-last
/bytelist/
splitlasteq
int-abs
/
Abs-neg
int-abs
/
zero-ge-01
Used simplifier rules:
byte
/
notequal
int-abs
/
mone-06
int-abs
/
numlsledel-01
int-abs
/
zero-gels-01
int-abs
/
numls-02
int-abs
/
lels-02
int-abs
/
numle-02
int-mult
/
zero-ge
int-div
/
nummult-ls-01
int-basic2
/
add-zero
int-abs
/
anti
int-mult
/
zero-ls
int-abs
/
zero-gels-04
int-basic2
/
ls-01
int-abs
/
forward-lele
int-abs
/
forward-lsle
int-abs
/
forward-le-01
int-mult
/
commutativity
int-mult
/
associativity
int-mult
/
succ-rmerge
int-mult
/
numle-12
int-abs
/
lels-03
int-div
/
div-elim-negpos
int-abs
/
sub-le
int-abs
/
neg-15
int-abs
/
neg-06
int-abs
/
Abs-pos
int-abs
/
forward-le-04
int-abs
/
neg-13
int-div
/
neg-01
int-abs
/
abs-08
int-div
/
abs
intnat
/
labs
int-div
/
div-ls-zero
int-abs
/
numle-03
list
/bytelist/
e-02
list-last
/bytelist/
last-elim
list-last
/bytelist/
lin-01
list-last
/bytelist/
l-02
list-last
/bytelist/
bapp
list
/bytelist/
app
list-last
/bytelist/
b
list
/bytelist/
e-01
list
/bytelist/
app-02-ant
list
/bytelist/
e
int-basic1
/
numlsf
int-basic2
/
add-c
int-basic2
/
add-a
int-abs
/
numls-03
int-abs
/
elim-sub
list
/bytelist/
in-15
list
/bytelist/
in-append
int-abs
/
lels-01
int-basic1
/
lst
byte
/
byte
list
/bytelist/
in-17
list
/bytelist/
c-03
int-abs
/
numleledel-01
int-basic1
/
numlslsdel
int-abs
/
forward-lels
int-abs
/
lels
int-abs
/
forward-le-02
list
/bytelist/
a
list
/bytelist/
in-14