Nuprl Lemma : or_false_l
13,42
postcript
pdf
A
:
. (False
A
)
A
latex
Up
core
2
,
core
2
Definitions
t
T
,
P
Q
,
P
Q
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P
&
Q
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P
Q
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P
Q
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x
:
A
.
B
(
x
)
,
False
Lemmas
false
wf
origin
A:
. (False 
A) 
A A:. (False A) A 
T Q Q Q Qx:A. B(x)