(3steps total)
PrintForm
Definitions
Lemmas
LogicSupplement
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
subset
squash
exteq
1
1.
A
: Type
2.
P
:
A
Prop
{
x
:
A
|
P
(
x
) } =ext {
x
:
A
|
P
(
x
) }
By:
BackThru:
Thm*
(
x
:
A
.
B
(
x
)
B'
(
x
))
({
x
:
A
|
B
(
x
) } =ext {
x
:
A
|
B'
(
x
) })
Generated subgoal:
1
x
:
A
.
P
(
x
)
P
(
x
)
1
step
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(3steps total)
PrintForm
Definitions
Lemmas
LogicSupplement
Sections
DiscrMathExt
Doc
Prop
{x:A| 
P(x) } =ext {x:A| P(x) }
x:A. 
