(9steps total)
PrintForm
Definitions
Lemmas
DiscreteMath
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
card
prod
family
intseg
singleton
elim
1
3
1
1.
a
:
2.
a'
:
3.
a'
-
a
= 1
4.
B
: {
a
..
a'
}
Type
5.
a
{
a
:
}
6.
B
{
a
:
}
Type
(
i
:{
a
..
a'
}
B
(
i
)) ~ (
i
:{
a
:
}
B
(
i
))
By:
OOCifExteq THEN Try BackThru:
Thm*
a
,
a'
:
.
a'
-
a
= 1
({
a
..
a'
} =ext {
a
:
})
Generated subgoal:
1
(
i
:{
a
..
a'
}
B
(
i
)) =ext (
i
:{
a
:
}
B
(
i
))
1
step
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(9steps total)
PrintForm
Definitions
Lemmas
DiscreteMath
Sections
DiscrMathExt
Doc