[Haskell-cafe] Article review: Category Theory

Neil Mitchell ndmitchell at gmail.com
Tue Jan 16 13:30:23 EST 2007

Hi David,

For some reason, in Firefox printing those diagrams to a black and
white printer gives black for the background. It means that the arrows
and annotations are in black on black, not the most readable...

Any way to fix that? Perhaps uploading diagrams with white
backgrounds, instead of transparent (if that is currently the case)



On 1/16/07, David House <dmhouse at gmail.com> wrote:
> Hey all,
> I've written a chapter for the Wikibook that attempts to teach some
> basic Category Theory in a Haskell hacker-friendly fashion.
> http://en.wikibooks.org/wiki/Haskell/Category_theory
> >From the article's introduction:
> "This article attempts to give an overview of category theory, insofar
> as it applies to Haskell. To this end, Haskell code will be given
> alongside the mathematical definitions. Absolute rigour is not
> followed; in its place, we seek to give the reader an intuitive feel
> for what the concepts of category theory are and how they relate to
> Haskell."
> I'd love comments from newcomers and experts alike regarding my
> approach, the content, improvements and so on. Of course, it's on the
> wikibook, so if you have anything to add (that's not _too_ substantial
> otherwise I'd recommend discussion first) then go ahead.
> Thanks in advance.
> --
> -David House, dmhouse at gmail.com
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