Nuprl Lemma : minus_functionality_wrt_eq
12,41
postcript
pdf
i
,
j
:
. (
i
=
j
)
((-
i
) = (-
j
))
latex
ProofTree
Definitions
,
t
T
,
P
Q
,
x
:
A
.
B
(
x
)
origin
i, j:
. (i = j) 
((-i) = (-j))
i, j:. (i = j) ((-i) = (-j))
T Qx:A. B(x)