Posted by **SUE** on Tuesday, April 21, 2009 at 3:21pm.

Prove that for any relation R(X,Y)

Select Select(R (X=x0) (Y=y0))) =

Select (R(X=x0) and Y=y0))

What is an equivalent form of (Select(R (X=x0) or (Y=y0)))?

## Answer This Question

## Related Questions

- polynomials - 6. Simplify: 4x2yz2 2z Select answer A 2x2y2z2 Select answer B ...
- Math - Suppose that you select 2 cards without replacement from an ordinary deck...
- math - State the null hypothesis, Ho, and the alternative hypothesis, Ha, that ...
- math - If you randomly select a card from a well-shuffled standard deck of 52 ...
- Math - A container holds 12 red marbles, 10 blue marbles, and 14 green marbles. ...
- science - Suppose you were asked to select one renewable energy resource for use...
- pol201 - The Annapolis Convention was called to address smaller states would get...
- Statistics - Background: A machine cuts wood boards to a thickness of 25 ...
- statistics - survey revealed two percent of students did not select stat. for ...
- Math - When studying integers, zero is _________. Select one: a. a positive b. ...

More Related Questions