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What is the coproduct of structures?

  1. May 13, 2012 #1
    Suppose S is a family of L-structures where L is some collection of constant symbols, relation symbols, and function symbols. Does the coproduct of elements of S exist?

    If not, how does one prove it?

    If yes, how is the coproduct defined? Are the maps from elements of S to the coproduct all monic?

    If you are aware of references related to this question, I would be happy to know them.

    Thanks in advance for your comments.
     
  2. jcsd
  3. May 17, 2012 #2
    I was wondering if the pdf I'm attaching answers my question...
     

    Attached Files:

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