Topic: Symmetric Relation
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What is symmetric relation?
( sə′me·trik ri′lā·shən ) (mathematics) The property of a relation on a set that requires y to be related to x whenever x is related to y. Read More »
Source: http://www.answers.com/topic/symmetric-relation
What is the total number of reflexive and symmetric relations on ...
the total no of reflexive relation on an n- element set is 2^(n^2-n). Read More »
Source: http://wiki.answers.com/Q/What_is_the_total_number_of_reflexive_a...
What is reflexive, symmetric and a transitive relation?
The idea behind it all is such: any triangle is similar to itself, right? That's an example of a reflexive relation. Mathematically, x R x for all x in X. If a triangle x is similar to another triangle, y, then, obviously, y is similar to x... Read More »
Source: http://answers.yahoo.com/question/index?qid=20120521034636AAONWng
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Symmetric Relation
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Vine and Matthews
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Source: http://wiki.answers.com/Q/Who_first_related_the_symmetrical_magne...
A relation R on a set A is symmetric iff aRb implies that bRa, for every a,b ε A. A relation R on a set A is antisymmetric iff aRb and bRa imply that a = b. Equivalence relations are the most common types of relations where you'll have symm...
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Source: http://uk.answers.yahoo.com/question/index?qid=20100111074140AAgO...
You need a centerline drawn, then you need to make that centerline into Construction geometry. Select one side, then the center line, then the matching side that you want to be symmetric. The Symmetric Relation should appear.
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Source: http://answers.yahoo.com/question/index?qid=20110930061241AA4oyZ9
http://sweb.uky.edu/~jcscov0/dmath_4.htm this site is lengthy but it covers just about everything http://en.wikipedia.org/wiki/Equivalence… this has many aspects on what you are asking. http://www.answers.com/topic/equivalence… This might b...
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Source: http://answers.yahoo.com/question/index?qid=20070629053956AAjpVeK
Is there any y such that xRy? Maybe there no such y. The exemple is R = {(1,2),(2,1),(1,1),(2,2)} on a set A={1,2,3}
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Source: http://answers.yahoo.com/question/index?qid=20080225013216AAskRrw
Take relation R defined on Z by x R y if x+3y is even. R is reflexive because for some a from Z a+ 3a = 2(2a) is even , i.e. a R a. Assume that a R b. Thus a + 3b is even. Then a + 3b = 2k, and b + 3a = b + 3(2k - 3b) = b + 6k - 9b = 6k - 8...
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Source: http://answers.yahoo.com/question/index?qid=20070129193535AA9KoAx
