Discrete Math : Show that the symmetric closure of the union of 2 relations is the union of their symmetric closures.
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Show that the symmetric closure of the union of 2 relations is the union of their symmetric closures.
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Solution Summary
A symmetric closure is investigated.
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Hi, here is the proof.
Let r & s be both symmetric closure relations on a set A
Claim: r u s is symmetric closures.
Let x , y E A so ...
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