Nuprl Lemma : inl_eq_inr
0,22
postcript
pdf
A
,
B
:Type,
x
:
A
,
y
:
B
. inl(
x
) = inr(
y
)
A
+
B
False
latex
Definitions
x
:
A
.
B
(
x
)
,
P
Q
,
False
,
Prop
,
t
T
origin
A, B:Type, x:A, y:B. inl(x) = inr(y) 
A+B 
False A, B:Type, x:A, y:B. inl(x) = inr(y) A+B False x:A. B(x) Q T