(13steps total)
PrintForm
Definitions
DiscreteMath
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
nsub
inj
fill
typing
1
1
2
1.
a
:
2.
b
:
3.
j
:
b
4.
f
:
(
a
-1)
{
x
:
b
|
x
=
j
}
5. Inj(
(
a
-1); {
x
:
b
|
x
=
j
};
f
)
6. (
i
.if
i
=
a
-1
j
else
f
(
i
) fi)
a
b
Inj(
a
;
b
;
i
.if
i
=
a
-1
j
else
f
(
i
) fi)
By:
Def THEN Reduce -1
Generated subgoal:
1
7.
a1
:
a
8.
a2
:
a
9. if
a1
=
a
-1
j
else
f
(
a1
) fi = if
a2
=
a
-1
j
else
f
(
a2
) fi
a1
=
a2
7
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(13steps total)
PrintForm
Definitions
DiscreteMath
Sections
DiscrMathExt
Doc