(12steps total)
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IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
Iteration of a surjection is a surjection.
At:
compose
iter
surjection
A
:Type,
f
:(
A
A
). Surj(
A
;
A
;
f
)
(
i
:
. Surj(
A
;
A
;
f
{
i
}))
By:
Auto
Generated subgoal:
1
1.
A
: Type
2.
f
:
A
A
3. Surj(
A
;
A
;
f
)
4.
i
:
Surj(
A
;
A
;
f
{
i
})
11
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(12steps total)
PrintForm
Definitions
Lemmas
DiscreteMath
Sections
DiscrMathExt
Doc
A:Type, f:(A
A). Surj(A; A; f) 
(i:
. Surj(A; A; f{
i})) A:Type, f:(AA). Surj(A; A; f) (i:. Surj(A; A; f{i}))A
Surj(A; A; f{i})
