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August 28th, 2016, 07:09 AM  #1 
Newbie Joined: Aug 2016 From: Brasil Posts: 17 Thanks: 0  relation equivalence
1) For each equivalence relation , find the requested equivalence class. a) R = { (1,1) , (1,2 ) , (2,1) , (2,2 ) , (3,3 ) , (4,4 ) } to { 1,2,3,4 } .Ache [ 1 ] . RESPONSE : [ 1] = { 1,2} ( All elements that are related to 1)] . b) R = { (1,1) , (1,2 ) , (2,1) , (2,2 ) , (3,3 ) , (4,4 ) } to { 1,2,3,4 } .Ache [ 4 ] . RESPONSE : [ 4 ] = { 4,4 } ( All elements that are related 4 ) Personally, I do not understand this issue or with feedback. What would equivalence class lost? And because the answers are these ? can anybody help me? 
August 28th, 2016, 02:57 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,805 Thanks: 716 
What is .Ache?


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equivalence, relation 
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