Posted by **Anonymous** on Thursday, February 11, 2010 at 10:10pm.

let A and B be sets. Prove that AXB=0 iff A=0 or B=0

## Answer This Question

## Related Questions

- Discrete Math - 1. Assume that n is a positive integer. Use the proof by ...
- math - if A and B are countable sets, then prove AxB is countable
- math - if A and B are countable sets, then prove AxB is countable
- college math - Prove: there exists x and y for c=ax+by iff gcd(a,b)/c.
- Vec & Geo - Prove that A.(BxC) = (AxB).C
- calculus - Factor theorem states that "x-a is a factor of f(x) if and only if f(...
- Metric Spaces Proof - d(x,y)={ 1 if x does not equal y 0 if x=y Prove that d ...
- Linear Algebra - Let u and v be vectors in R^n, and let T be a linear operator ...
- Business Math - Being inventory of 12 sets of paints at a cost of $1.50 each. ...
- Math (Discrete Math) - Let R be the statement : for all sets A, B and C, if A&#...

More Related Questions