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Topic: Set theory question on repeated elements
Replies: 9   Last Post: Jan 25, 2011 7:12 AM

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robd

Posts: 3
From: Cape Town
Registered: 9/19/10
Set theory question on repeated elements
Posted: Sep 19, 2010 9:14 AM
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The set theory book I have seems to indicate that order and repetition of elements in a basic set is fine. However I found an alternate reference which indicates no element in a set can be repeated. I notice that the Java implementation of a set by definition indicates unique elements only.

In pure set theory, can a set have an element repeated more than once ?



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