Nuprl Lemma : eq_int_eq_true
13,42
postcript
pdf
i
,
j
:
. (
i
=
j
)
((
i
=
j
) = tt
)
latex
Up
bool
1
,
bool
1
Definitions
,
t
T
,
P
Q
,
x
:
A
.
B
(
x
)
,
(
i
=
j
)
Lemmas
btrue
wf
origin
i, j:
. (i = j) 
((i =
j) = tt 
) i, j:. (i = j) ((i = j) = tt ) 
T Qx:A. B(x) j)