Definitions
LogicSupplement
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Some definitions of interest.
exteq
Def
A
=ext
B
== (
x
:
A
.
x
B
) & (
x
:
B
.
x
A
)
iff
Def
P
Q
== (
P
Q
) & (
P
Q
)
Thm*
A
,
B
:Prop. (
A
B
)
Prop
squash
Def
T
== {
:True|
T
}
Thm*
A
:Prop.
A
Prop
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IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Definitions
LogicSupplement
Sections
DiscrMathExt
Doc