Nuprl Lemma : strongwellfounded_wf
0,22
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T
:Type,
R
:(
T
T
Type). SWellFounded(
R
(
x
,
y
))
Prop
latex
Definitions
SWellFounded(
R
(
x
;
y
))
,
x
:
A
.
B
(
x
)
,
P
Q
,
x
(
s1
,
s2
)
,
Prop
,
x
:
A
.
B
(
x
)
,
,
t
T
Lemmas
nat
wf
origin
T:Type, R:(T
TType). SWellFounded(R(x,y)) 
Prop T:Type, R:(TTType). SWellFounded(R(x,y)) Prop 
x:A. B(x)
Qx:A. B(x)
T