(12steps total)
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Definitions
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Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
dedekind
inf
imp
inf
A
:Type. Dedekind-Infinite(
A
)
Infinite(
A
)
By:
Def of Dedekind-Infinite(
A
) | Infinite(
A
)
Generated subgoal:
1
1.
A
: Type
2.
a
:
A
,
f
:(
A
A
). Inj(
A
;
A
;
f
) &
(
x
:
A
.
f
(
x
) =
a
)
(
inj
A
)
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. Dedekind-Infinite(A) 
Infinite(A) A:Type. Dedekind-Infinite(A) Infinite(A)
a:A, f:(A
A). Inj(A; A; f) & 
(x:A. f(x) = a)
(
inj
A)
