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DiscrMathExt
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IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(there is a unique
x
in
A
such that
P
(
x
)
)
Who Cites exists
unique?
exists_unique
Def
!
x
:
A
.
P
(
x
) ==
x
:
A
. x is the
x
:
A
.
P
(
x
)
Thm*
A
:Type,
P
:(
A
Prop). (
!
x
:
A
.
P
(
x
))
Prop
is_the
Def
x
is the
u
:
A
.
P
(
u
) ==
P
(
x
) & (
u
:
A
.
P
(
u
)
u
=
x
)
Thm*
A
:Type,
P
:(
A
Prop),
x
:
A
. (x is the
x
:
A
.
P
(
x
))
Prop
Syntax:
!
x
:
A
.
P
(
x
)
has structure:
exists_unique(
A
;
x
.
P
(
x
))
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
WhoCites
Definitions
FTA
Sections
DiscrMathExt
Doc