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math_proof
 3 years ago
what does f mean with arrow on top of it?
math_proof
 3 years ago
what does f mean with arrow on top of it?

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etemplin
 3 years ago
Best ResponseYou've already chosen the best response.1likely its a vector, but it could be other things

math_proof
 3 years ago
Best ResponseYou've already chosen the best response.0no it has to do with math proofs

math_proof
 3 years ago
Best ResponseYou've already chosen the best response.0is it like inverse function or what?

etemplin
 3 years ago
Best ResponseYou've already chosen the best response.1with an arrow?? hmmm....usually an inverse has a 1 as its exponent...what kind of proofs (what subject/level of math) are you doing?

math_proof
 3 years ago
Best ResponseYou've already chosen the best response.0injections, surjections etc

math_proof
 3 years ago
Best ResponseYou've already chosen the best response.0and there is an arrow to the left and arrow to the right above letter f

etemplin
 3 years ago
Best ResponseYou've already chosen the best response.1http://en.wikipedia.org/wiki/Bijection,_injection_and_surjection http://www.math.fsu.edu/~pkirby/mad2104/SlideShow/s4_2.pdf i dont know what the notation means, but the above links may be able to help

math_proof
 3 years ago
Best ResponseYou've already chosen the best response.0is it image of X or something?

etemplin
 3 years ago
Best ResponseYou've already chosen the best response.1i have no idea what the notation means. but those links should be able to help. heress some more http://www.cs.uwyo.edu/~jlc/courses/2300/hw/hw19d.pdf http://www.physicsforums.com/showthread.php?t=345400
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