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