Step of Proof: sub-equality
11,40
postcript
pdf
Inference at
*
1
2
2
1
I
of proof for Lemma
sub-equality
:
.....assertion..... NILNIL
1.
T
: Type
2.
P
:
T
3.
i
:
T
4.
u
:
T
5.
i
=
u
6.
P
(
u
)
7.
P
(
i
)
u
{
j
:
T
|
P
(
j
)}
latex
by ((MemCD)
CollapseTHEN (Auto
))
latex
C
.
Definitions
{
x
:
A
|
B
(
x
)}
,
x
:
A
B
(
x
)
,
s
=
t
,
f
(
a
)
,
t
T
,
,
Type
origin