This Month
August 2005
Sun Mon Tue Wed Thu Fri Sat
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
Month Archive
Year Archive
View Article  SUVs
A recent survey of 80 auto owners indicated that 24 owned SUVs and 62 owned cars which are not SUVs.  Find the number of q people who owned both an SUV and some other car.

Additional resources:

BOTW Number Theory
Stanford - Set Theory
Chaos, Fractals, and Arcadia
View Article  NOT Gates
How would a NOT gate process each of the following:

(1) 110001

(2) 10010111

(3) 1000111010
View Article  Relations
Let R be the relation on A = {4,5,6,7}defined by "x is less than y", that is, R is the relation < .  Write R as a set of ordered pairs.
View Article  Set Fractal

Set fractal provided by "Chaos Theory and Fractals" by Jonathan Mendelson and Elana Blumenthal




Pretty cool stuff.  They have plenty more, and fine examples of chaos theory and fractals.  Definitely worth a look-see.
View Article  Set Theory
Given:

V = { M,W,F}
W = {S,SU}
X = {M,T,W,TH,F}
Y = {W,TH,F,S}

Find:

(V \ W)c


View Article  Propositions
Verify that the proposition (p ^ q) ^ ~ (p v q) is a contradiction.
View Article  Permutations
How many ways can a judge award first, second, and third places in a contest with 20 contestants?
View Article  Combinatorial Analysis
There are twelve children in a kindergarten class. Find the number of ways that the twelve children play three different games if four children are to play each game.

For more resources related to combinatorial analysis and discrete mathematics, check out

Best Book Buys - for some books relating to combinatorial analysis

Best of the Web Math Category - lists quality sites relating to all aspects of mathematics

Combinatorics Problems - a collection of problems in combinatorics

Generating Functions - interactive introduction to generating functions
View Article  Relations
Each toss of a quarter will produce either a head or a tail. Let A = {Q, T} denote the set of outcomes. Find A3, n(A3), and explain what A3 represents.