Posted by **huing** on Saturday, March 29, 2014 at 1:37am.

If true, prove. If false, provide just a counterexample:

a. For every function f from nonnegative integers into nonnegative reals,

o( f ) = O( f ) −Θ( f ) . (Here, - denotes the set difference: A B consists of

elements in A that are not in B.).

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