Nuprl Lemma : int_mag_well_founded
13,42
postcript
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WellFnd{i}(
;
x
,
y
.|
x
| < |
y
|)
latex
Up
int
2
,
int
2
Definitions
x
,
y
.
t
(
x
;
y
)
,
t
T
,
,
,
x
(
s1
,
s2
)
,
P
Q
,
x
:
A
.
B
(
x
)
Lemmas
absval
wf
,
nat
wf
,
inv
image
ind
,
nat
well
founded
origin
;x,y.|x| < |y|) ;x,y.|x| < |y|) 
x,y. t(x;y)
T
Q
x:A. B(x)