Nuprl Lemma : add_cancel_in_eq
12,41
postcript
pdf
a
,
b
,
n
:
. (
a
+
n
=
b
+
n
)
(
a
=
b
)
latex
ProofTree
Definitions
,
t
T
,
P
Q
,
x
:
A
.
B
(
x
)
origin
a, b, n:
. (a+n = b+n) 
(a = b)
a, b, n:. (a+n = b+n) (a = b)
T Qx:A. B(x)