Nuprl Lemma : implies_antisymmetry
12,41
postcript
pdf
P
,
Q
:
. (
P
Q
)
(
Q
P
)
(
P
Q
)
latex
ProofTree
Definitions
t
T
,
P
Q
,
P
&
Q
,
P
Q
,
P
Q
,
,
x
:
A
.
B
(
x
)
origin
P, Q:
. (P 
Q) (Q P) (P 
Q)
P, Q:. (P Q) (Q P) (P Q)
T Q Q Qx:A. B(x)