(5steps total)
PrintForm
Definitions
Lemmas
DiscreteMath
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
card
split
decbl
squash
1
1
1.
A
: Type
2.
P
:
A
Prop
3.
x
:
A
. Dec(
P
(
x
))
A
~ ({
x
:
A
|
P
(
x
) }+{
x
:
A
|
(
P
(
x
)) })
By:
Rewrite by
Thm*
(
P
)
P
Generated subgoal:
1
A
~ ({
x
:
A
|
P
(
x
) }+{
x
:
A
|
P
(
x
) })
2
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(5steps total)
PrintForm
Definitions
Lemmas
DiscreteMath
Sections
DiscrMathExt
Doc
Prop
x:A. Dec(
P(x))
A ~ ({x:A| 
P(x)) })
