1. PF Contest - Win "Conquering the Physics GRE" book! Click Here to Enter
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Subsets and sets symbol explenation (Very simple question please have a look)

  1. Aug 27, 2012 #1
    1. The problem statement, all variables and given/known data
    I would like you please to look my attachement ,and explain to me the meaning of the line above M and N whats the meaning of this line?It seems to me that it acts as we should take the complementary collection of numbers .

    2. Relevant equations

    3. The attempt at a solution

    Attached Files:

  2. jcsd
  3. Aug 27, 2012 #2
    Yes, you are probably right. The notation [itex]\overline{N}[/itex] just means all the elements which are not in N.
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook