(16steps total)
PrintForm
DiscreteMath
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
card
sum
family
singleton
elim
1
2
1
1
1
2
1.
A
: Type
2.
a
:
A
3.
B
: {
x
:
A
|
x
=
a
}
Type
4. (
ib
.
ib
/
i
,
b
. b)
(
i
:{
x
:
A
|
x
=
a
}
B
(
i
))
B
(
a
)
5.
i
:
A
6.
i
=
a
7.
b
:
B
(
i
)
b
=
b
B
(
a
)
By:
ChangeToEqType:
B
(
i
)
Generated subgoal:
1
B
(
a
) =
B
(
i
)
2
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(16steps total)
PrintForm
DiscreteMath
Sections
DiscrMathExt
Doc
Type
ib.ib/i,b. b) 
(i:{x:A| x = a }
B(i))
b = b 
