Nuprl Lemma : or_false_l
12,41
postcript
pdf
A
:
. (False
A
)
A
latex
ProofTree
Definitions
t
T
,
P
Q
,
P
Q
,
P
&
Q
,
P
Q
,
P
Q
,
,
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)