Monday, September 13, 2010


JSH: Defining function?

Doing foundational work on mathematics is not for the faint-hearted, but it is something I've been forced into doing before and now I'm facing an oddity with "function".

Here's an example that I need shot down, as in, given the current usage of "function", why is this wrong?

Let f(x) = 0, when x=1, and f(x) = 1, when x=1.

Under current usage, is that blocked? If so, how?

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