Nuprl Lemma : rel-plus-rel-star
11,40
postcript
pdf
T
:Type,
R
:(
T
T
prop{i:l}),
x
,
y
:
T
. (
x
rel_plus(
T
;
R
)
y
)
(
x
rel_star(
T
;
R
)
y
)
latex
Definitions
x
:
A
.
B
(
x
)
,
prop{i:l}
,
P
Q
,
x
f
y
,
rel_plus(
T
;
R
)
,
rel_star(
T
;
R
)
,
x
:
A
.
B
(
x
)
,
t
T
,
subtype(
S
;
T
)
Lemmas
rel
exp
wf
,
nat
plus
wf
,
nat
plus
inc
origin
T:Type, R:(T
Tprop{i:l}), x,y:T. (x rel_plus(T; R) y) 
(x rel_star(T; R) y) T:Type, R:(TTprop{i:l}), x,y:T. (x rel_plus(T; R) y) (x rel_star(T; R) y) x:A. B(x) Q
x:A. B(x)
T