Dear all, as promised this and the previous similar thread has now been compiled at http://ncatlab.org/nlab/show/Rel. Please feel free to review and amend as you seem fit. Thank you all for your answers! Ondrej On 7 July 2014 11:03, Ondrej Rypacek <ondrej.rypacek@gmail.com> wrote:
Thank you everyone for your time in answering my question. It has been most helpful!
Following Bas Spitters's suggestion, and because this was the second time someone asked exactly the same question in a short period of time, I'm going to compile a digest for http://ncatlab.org/nlab/show/Rel soon.
Thanks, Ondrej
On 3 July 2014 11:57, Ondrej Rypacek <ondrej.rypacek@gmail.com> wrote:
Hi all
What is known about limits in REL , the (bi)category of sets and relations? I know there are biproducts; are there equalisers?
And what about SPAN(C) or REL(C), spans and relations over a suitable category C ?
Thanks a lot in advance, Ondrej
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