(5steps 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
iff
1
1
corr
2
1
1.
A
: Type
2.
B
: Type
3.
f
:
A
B
4.
g
:
B
A
5. InvFuns(
A
;
B
;
f
;
g
)
Bij(
A
;
B
;
f
)
By:
FwdThru
Thm*
f
:(
A
B
),
g
:(
B
A
). InvFuns(
A
;
B
;
f
;
g
)
Bij(
A
;
B
;
f
) [5]
Generated subgoals:
None
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(5steps total)
PrintForm
Definitions
Lemmas
fun
1
Sections
StandardLIB
Doc
B
Bij(A; B; f)
f:(A
Bij(A; B; f) [5]
