You can use an inverter if necessary.

On Mon, Nov 3, 2008 at 11:40 AM, James Swaine <
jamesswaine2010@u.northwestern.edu> wrote:

> On questions (2A) and (2B), are we ONLY able to use the types of gates
> mentioned in our implementation of the function? So for example, in (2A),
> our circuit is only allowed to contain NAND gates? This seems to be implied
> by the wording of the question, but I just wanted to make sure.
>
> Thanks,
> James
>

-- 
Mykell Miller