(11steps total)
PrintForm
Definitions
DiscreteMath
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
nsub
inj
lop
typing
1
1
1
1
1.
a
:
2.
b
:
3.
f
:
a
b
4. Inj(
a
;
b
;
f
)
5.
x
:
(
a
-1)
f
(
x
) =
f
(
a
-1)
By:
Witness4:
x
|
a
-1
Generated subgoal:
1
6.
f
(
x
) =
f
(
a
-1)
x
=
a
-1
a
f
(
x
) =
f
(
a
-1)
1
step
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(11steps total)
PrintForm
Definitions
DiscreteMath
Sections
DiscrMathExt
Doc
f(x) = f(a-1)
x = a-1 
