374 reputation
515
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location
age 23
visits member for 3 years, 10 months
seen Jun 30 '13 at 13:58

"An expert is a person who has made all the mistakes that can be made in a very narrow field." Niels Bohr


Aug
12
comment Set Theory: Proving Statements About Sets
What would be a more appropriate title?
Aug
12
accepted Set Theory: Proving Statements About Sets
Aug
12
comment Set Theory: Proving Statements About Sets
Symmetry meaning each set has one element that is not in the other?
Aug
11
awarded  Supporter
Aug
11
comment Set Theory: Proving Statements About Sets
How did you know to pick those element for A, B, and C? Was it just trial and error?
Aug
11
comment Set Theory: Proving Statements About Sets
Ahh, now I see how it works. Very Clever.
Aug
11
comment Set Theory: Proving Statements About Sets
Oh ok. Now I understand. Thanks for the clarification
Aug
11
comment Set Theory: Proving Statements About Sets
Isn't the intersection of A and B 3 and the intersection of A and C is 2?
Aug
11
comment Set Theory: Proving Statements About Sets
Right, so why can't I use that to disprove this
Aug
11
comment Set Theory: Proving Statements About Sets
the ~ means complement, so it is important
Aug
11
revised Set Theory: Proving Statements About Sets
added 31 characters in body
Aug
11
asked Set Theory: Proving Statements About Sets
May
5
accepted How many permutations of a word do not contain consecutive vowels?
May
4
comment How many permutations of a word do not contain consecutive vowels?
@Michael - the reason for me adding that question in the body of the post is to help people understand where I was having difficulty answering the question. I apologize if that confused you.
May
4
comment How many permutations of a word do not contain consecutive vowels?
@Michael - That's a very interesting way to look at it. I guess if all else fails you can just look at all the different possibilities. However, I believe the answer is 12,600.
May
4
comment How many permutations of a word do not contain consecutive vowels?
alright thanks.
May
4
comment How many permutations of a word do not contain consecutive vowels?
How do you know that there are 7 spaces for the 5 vowels to go in?
May
4
asked How many permutations of a word do not contain consecutive vowels?
May
4
accepted How to prove that $(A\cup B) \cap C \subseteq A\cup (B\cap C)$
May
3
asked How to prove that $(A\cup B) \cap C \subseteq A\cup (B\cap C)$