Respond to this Question
Similar Questions

calculus
what is the property that distinguishes finite sets from infinite sets (give examples of each to accompany explaination). finite sets are countable. Infinite sets are not. so what would be an example of an infinite set? one that
asked by Anonymous on March 27, 2007 
smallest algebra
Let F be a family of subsets of a set X such that empty set is the element of F. A subset A of X belongs to F1 if and only if either A is a subset of F or complement of A is the subset of F. A subset B of X belongs to F2 if and
asked by sxxx123456 on January 15, 2009 
math
If A is a finite set and B is a proper subset of A, prove that B < A. Hint: B is finite. What is the union of the disjoint sets B and A  B? Note: A = size of A
asked by sara on April 10, 2007 
math
Prove that the union of two finite sets is finite. Hint: A U B = (A  B) U (B  A) U (A ∩ B) where U = union and ∩ = intersection
asked by sara on April 10, 2007 
math
How can find weak form to d^4u/dx^4+du/dx=f (x) By using finite element
asked by assma on November 21, 2015 
discrete math
Fill in the blanks: For all sets A and B, if A is in the set of B, then A union B in in the set of B. Proof: Suppose A and B are any sets and A in in the set of B. [we must show that __________] Let x be and element of _______.
asked by heidi on April 15, 2011 
math
Let U = {xƒ}x is an American}, C = {x/x is a smoker}, D = {xƒ}x has a health problem}, E = {xƒ}x is a male} Describe a person who is an element of each of the following sets. Describe a person who is an element of each of the
asked by Jamie on April 1, 2010 
Math
Hi! im looking to find relationships between sets of polygonal numbers. I have found a few through the use of finite differences, (a relationship occurs between the formula to determine the polygonal number). I have also found
asked by Bob on October 14, 2008 
math
7. Classify each of the following as true or false. If false, tell why or give an example showing that it is not true. (a) For all sets A and B, A – B = B – A (b) For all sets A, A (c) For all sets A, A A
asked by poo on November 30, 2009 
Chem
From the information below, identify element X. a. The wavelength of the radio waves sent by an FM station broadcasting at 97.1 MHz is 30.0 million (3.00 X lo7) times greater than the wavelength corresponding to the energy
asked by Dianne on March 29, 2007 
chemistry
1.what is meant by atomic number of an element? 2.the mass number of an element is 18,it contains 7 electrons.what is the number of protons and neutrons in it?what is the atomic number of the element? 3.an element has an atomic
asked by pooja on May 4, 2012