
Algebra PreAlgebra and Basic Algebra Math Forum 
 LinkBack  Thread Tools  Display Modes 
December 24th, 2017, 02:48 AM  #1 
Senior Member Joined: Nov 2015 From: hyderabad Posts: 226 Thanks: 2  Equivalence Relation
I have come across a question as "The number of equivalence relations that can be defined on a set with two elements is " and same question for 3 elements as well. Since I have the answers with me I am thinking the possible general term would be $\displaystyle 2^n  n$ Someone correct meí ½í¸Š 
December 24th, 2017, 07:22 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 18,720 Thanks: 1536 
In general, it's not $2^n  n$.


Tags 
equivalence, relation 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
relation equivalence  kanchinha123  Elementary Math  1  August 28th, 2016 02:57 PM 
Equivalence relation.  cdummie  Abstract Algebra  2  July 13th, 2015 08:24 AM 
Equivalence Relation  Taladhis  Abstract Algebra  2  February 11th, 2013 08:20 AM 
Equivalence Relation  jrklx250s  Real Analysis  3  December 7th, 2011 10:42 AM 
Equivalence relation  Dontlookback  Abstract Algebra  1  April 20th, 2010 11:52 AM 