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hendrikboom.livejournal.com (
hendrikboom.livejournal.com
) wrote
in
swestrup
2007-07-06 08:51 pm (UTC)
no subject
There's a type violation in your question.
If is a function, and f:1->1, what is x in f(x) = x? A member of 1?
For a function f:A->B, A and B are sets, and you can write f(x) when x is an element of A.
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no subject
If is a function, and f:1->1, what is x in f(x) = x? A member of 1?
For a function f:A->B, A and B are sets, and you can write f(x) when x is an element of A.