Nuprl Lemma : divides_invar_2
11,40
postcript
pdf
a
,
b
:
. divides(
a
;
b
)
divides(
a
; (-
b
))
latex
Definitions
t
T
,
P
Q
,
P
Q
,
P
Q
,
x
:
A
.
B
(
x
)
,
divides(
b
;
a
)
,
P
Q
,
x
:
A
.
B
(
x
)
,
prop{i:l}
Lemmas
minus
minus
cancel
origin
a,b:
. divides(a; b) 
divides(a; (-b)) a,b:. divides(a; b) divides(a; (-b)) 
T Q Q
Q
x:A. B(x) Qx:A. B(x)