(12steps total)
PrintForm
Definitions
Lemmas
fun
1
Sections
StandardLIB
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
bij
imp
exists
inv
1
1
1
1
1
2
1
1.
A
: Type
2.
B
: Type
3.
f
:
A
B
4.
a1
,
a2
:
A
.
f
(
a1
) =
f
(
a2
)
a1
=
a2
5.
g
:
B
A
6.
b
:
B
.
f
(
g
(
b
)) =
b
(
x
.
f
(
g
(
x
))) = Id
By:
Ext THEN (Reduce 0)
Generated subgoal:
1
7.
x
:
B
f
(
g
(
x
)) =
x
1
step
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(12steps total)
PrintForm
Definitions
Lemmas
fun
1
Sections
StandardLIB
Doc