Hi folks can anyone answer this for me Plz..

Let R and S be relations on a set X.Show that R x S is a relation on X x X?

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- Aug 11th 2006, 02:18 AMColetteMathematical relations.....
Hi folks can anyone answer this for me Plz..

Let R and S be relations on a set X.Show that R x S is a relation on X x X? - Aug 11th 2006, 07:54 AMThePerfectHackerQuote:

Originally Posted by**Colette**

(1)

(2)

Any element of,

is where by (1) and (2). Thus, . Thus, you shown that this direct product is a subset and the proof is complete.