[Haskell-cafe] Category Theory woes

[Miguel Mitrofanov]

Hom(A, B) is just a set of morphisms from A to B.

Mark Spezzano wrote:
> I should probably add that I am trying various proofs that involve injective and surjective properties of Hom Sets and Hom functions.
> 
> Does anyone know what Hom stands for?
> 
> I need a text for a newbie.
> 
> Mark
> 
> On 02/02/2010, at 9:56 PM, Mark Spezzano wrote:
> 
>> Hi all,
>>
>> I'm trying to learn Haskell and have come across Monads. I kind of understand monads now, but I would really like to understand where they come from. So I got a copy of Barr and Well's Category Theory for Computing Science Third Edition, but the book has really left me dumbfounded. It's a good book. But I'm just having trouble with the proofs in Chapter 1--let alone reading the rest of the text. 
>>
>> Are there any references to things like "Hom Sets" and "Hom Functions" in the literature somewhere and how to use them? The only book I know that uses them is this one. 
>>
>> Has anyone else found it frustratingly difficult to find details on easy-to-diget material on Category theory. The Chapter that I'm stuck on is actually labelled Preliminaries and so I reason that if I can't do this, then there's not much hope for me understanding the rest of the book...
>>
>> Maybe there are books on Discrete maths or Algebra or Set Theory that deal more with Hom Sets and Hom Functions?
>>
>> Thanks,
>>
>> Mark Spezzano.
>>
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> 
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