Old Dominion University: Shunichi Toida's "Equivalence Relations"

Read this page on equivalence relations. Then, answer the four questions at the bottom of the page.

Click http://web.archive.org/web/20150704053752/http://www.cs.odu.edu/~toida/nerzic/level-a/relation/eq_relation/eq_relation.html link to open resource.