# Yahoo Web Search

1. ### Prove or disprove: If Ā ⊆B then A∪B=U.?

Hi If Ā ⊆ B, then everything that is not in A is in B...either in or not in A, everything is in A ∪ B so long as Ā ⊆ B. To say that everything is in A ∪ B is...

1 Answers · Science & Mathematics · 07/04/2010

2. ### if Ā = ∩ F then show that A ⊆ Ā and Ā is the smallest closed set that contains A?

... one on the question above is correct. A ⊆ Ā if for an arbitrary element a of A, a is also...show 2 sets are equal you need B ⊂ Ā and Ā ⊂ B. The first ...

3 Answers · Science & Mathematics · 09/06/2012

3. ### Does Ā denote a long A only in Japanese rōmaji?

...like in the word "maa" or the name Maaya. in English, the Ā (the line is called a macron) stands for long A too, but...

2 Answers · Society & Culture · 03/03/2013

4. ### In probability how do prove that P(A|B) / 1-P(A |B) = P(B|A)P(A) / P(B | Ā )P( Ā ) ?

...total probability: P(B) = P(B∩A) + P(B∩ Ā ) Since P(A|B) = P(A∩B)/(P...

1 Answers · Science & Mathematics · 02/05/2009

5. ### If A ⊆ B, is Ā ⊆ B (also with bar on top, dont know how to type it)?

... that A = ∅ (∅ is the empty set) and B = {1}. Then Ā = {Everything in the universe} and B(bar) = {everything is the universe...

1 Answers · Science & Mathematics · 25/10/2010

6. ### ā on myspace?

you can get it out of the character map and put it in like normal english. like this ā . its in start/programs/accessories/system tools/ character map.

1 Answers · Computers & Internet · 28/11/2008

7. ### what does Ā Яглζ№⅜Й mean?

not a word.

5 Answers · Education & Reference · 10/11/2007

8. ### How to pronounce letters with macrons (ē, ā ,ī)?

ē - hey, weigh ā - father, bother ī - green, chlorine,

1 Answers · Society & Culture · 04/05/2015

9. ### help electronics logic gates?

Ā .B.C --> NOT-->(A'BC)'-->Q...

1 Answers · Science & Mathematics · 10/08/2013

10. ### A vector Ā is along positive z-axis and its vector product with another vector (arrowhead)B is zero then (ar?

Question is unclear. You will need to draw it on an Argard diagram.

1 Answers · Science & Mathematics · 11/08/2012