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Theorem div-div-pred
⊦ i < 0 → ((i - 1) / 2 - 1) / 2 = (i - 3) / 4
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
div-div-pred-01
,
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 11
Proof steps: 23
Used lemmas:
nummult-le-02
,
nummult-ls
,
div-elim-negpos
,
Used spec theorems:
int-mult
/
modeqp-01
int-mult
/
dist-rsplit
Used simplifier rules:
int-abs
/
elim-sub
int-abs
/
numsub
int-basic1
/
numlsf
int-basic1
/
numlslsdel
int-abs
/
numls-03
int-abs
/
mone-05
int-abs
/
numle-03
int-mult
/
eq-succ
int-abs
/
zero-gels-01
int-abs
/
forward-le-04
int-abs
/
lels-01
int-abs
/
forward-le-05
int-basic1
/
lf-01
int-basic1
/
trans
int-abs
/
forward-lels
int-basic2
/
succ-01
int-mult
/
numls-04
int-mult
/
one
int-mult
/
numls-12
int-basic2
/
ls-02
int-mult
/
zero-gr
int-abs
/
lenls
int-abs
/
lels
int-mult
/
neq-two
int-abs
/
sub-eq
int-abs
/
abs-03
int-abs
/
abs-06
int-abs
/
forward-le-01
int-abs
/
forward-le
int-abs
/
forward-lsle
int-abs
/
minus-add
int-abs
/
sub-ls
int-abs
/
zero-gels-04
int-basic1
/
lf-02
int-abs
/
numlelsdel
int-abs
/
numadd-01
int-mult
/
zero-ls
int-abs
/
zero-gels-03
int-abs
/
forward-le-02
int-abs
/
lsone
int-abs
/
abs-zero
int-abs
/
lels-02
int-abs
/
abs-08
int-abs
/
neg-13
int-abs
/
numls-02
int-basic1
/
minus-one
int-basic2
/
add-a
int-basic2
/
add-c
int-basic2
/
add-zero-rev
int-mult
/
zero-neq-01
int-mult
/
associativity
int-mult
/
commutativity
int-mult
/
abs-eqall
int-abs
/
lels-03