Nuprl Lemma : int_upper_well_founded
13,42
postcript
pdf
n
:
. WellFnd{i}({
n
...};
x
,
y
.
x
<
y
)
latex
Up
int
2
,
int
2
Definitions
t
T
,
x
:
A
.
B
(
x
)
,
x
,
y
.
t
(
x
;
y
)
,
,
True
,
T
,
x
(
s1
,
s2
)
,
P
Q
,
{
i
...}
,
,
P
&
Q
,
P
Q
Lemmas
nat
well
founded
,
int
upper
wf
,
nat
wf
,
inv
image
ind
,
add
mono
wrt
lt
,
wellfounded
functionality
wrt
iff
,
true
wf
,
squash
wf
,
wellfounded
wf
origin
n:
. WellFnd{i}({n...};x,y.x < y) n:. WellFnd{i}({n...};x,y.x < y) 
Tx:A. B(x)
x,y. t(x;y)
T
Q
Q