Nuprl Lemma : assert_wf
13,42
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b
:
. (
b
)
latex
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bool
1
,
bool
1
Definitions
b
,
,
t
T
,
x
:
A
.
B
(
x
)
Lemmas
bool
wf
,
false
wf
,
true
wf
,
ifthenelse
wf
origin
b:
. (
b) 
b:. (b) b Tx:A. B(x)