(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
st
vs
boolsize
a
:
,
p
:(
a
). {
x
:
a
|
p
(
x
) } ~
(
size(
a
)(
p
))
By:
Def of
size(
a
) THEN Reduce 0
Generated subgoal:
1
1.
a
:
2.
p
:
a
{
x
:
a
|
p
(
x
) } ~
(Msize(
x
.if
p
(
x
)
1 else 0 fi))
4
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
a:
, p:(a
). {x:a| p(x) } ~ (size(a)(p)) a:, p:(a). {x:a| p(x) } ~ (size(a)(p))size(a) THEN Reduce 0
a
{x:a| p(x) } ~ (Msize(
x.if p(x)
1 else 0 fi))
