Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Additional Help with Order Isomorphisms

  1. Mar 27, 2012 #1
    I'm curious if there is a site like Paul's Online Notes for abstract algebra classes on set theory, functions, etc.

    Lately I've been having trouble with isomorphisms of posets, so if there is a resource where I could view some proofs of theorems relating to isomorphisms of posets that would be awesome.

    Thanks for any help you can offer, my textbook is fine - I'd just like some more practice.
  2. jcsd
  3. Mar 28, 2012 #2
    I found a site called proofwiki but it did not have many proofs (seemed like it was a startup). Maybe you guys know of some larger databases of proofs?
  4. Apr 3, 2012 #3
    This will be the last time I'll bump this.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook