Show that if R and S are both n-ary relations, then Pi1,i2,...,im(R S) = Pi1,i2,...,im(R)

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Show that if R and S are both n-ary relations, then Pi1,i2,...,im(R ∪ S) = Pi1,i2,...,im(R) ∪ Pi1,i2,...,im(S).

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Discrete Mathematics and Its Applications

ISBN: 978-0073383095

7th edition

Authors: Kenneth H. Rosen

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Question Posted: May 03, 2016 01:48 AM

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Show that if R and S are both n-ary relations, then Pi1,i2,...,im(R S) = Pi1,i2,...,im(R)

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Discrete Mathematics and Its Applications

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