Editing Equivalence relation (section)

== References ==

* Brown, Ronald, 2006. ''[http://arquivo.pt/wayback/20160514115224/http://www.bangor.ac.uk/r.brown/topgpds.html Topology and Groupoids.]'' Booksurge LLC. {{ISBN|1-4196-2722-8}}.
* Castellani, E., 2003, "Symmetry and equivalence" in [[Katherine Brading|Brading, Katherine]], and E. Castellani, eds., ''Symmetries in Physics: Philosophical Reflections''. Cambridge Univ. Press: 422–433.
* [[Robert Dilworth]] and Crawley, Peter, 1973. ''Algebraic Theory of Lattices''. Prentice Hall. Chpt. 12 discusses how equivalence relations arise in [[lattice (order)|lattice]] theory.
* Higgins, P.J., 1971. ''[http://www.emis.de/journals/TAC/reprints/articles/7/tr7abs.html Categories and groupoids.]'' Van Nostrand. Downloadable since 2005 as a TAC Reprint.
* [[John Lucas (philosopher)|John Randolph Lucas]], 1973. ''A Treatise on Time and Space''. London: Methuen. Section 31.
* Rosen, Joseph (2008) ''Symmetry Rules: How Science and Nature are Founded on Symmetry''. Springer-Verlag. Mostly chapters. 9,10.
* [[Raymond Wilder]] (1965) ''Introduction to the Foundations of Mathematics'' 2nd edition, Chapter 2-8: Axioms defining equivalence, pp 48&ndash;50, [[John Wiley & Sons]].