(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
1
1
1.
A
: Type
2.
a
:
A
3.
B
: {
x
:
A
|
x
=
a
}
Type
4.
ib
:
i
:{
x
:
A
|
x
=
a
}
B
(
i
)
(
ib
/
i
,
b
. b)
B
(
a
)
By:
New:[
i
|
b
] (2 Times Analyze4)
Generated subgoal:
1
4.
i
:
A
5.
i
=
a
6.
b
:
B
(
i
)
(<
i
,
b
>/
i
,
b
. b)
B
(
a
)
3
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(16steps total)
PrintForm
DiscreteMath
Sections
DiscrMathExt
Doc
Type
B(i)
(ib/i,b. b) 
B(a)
