Question

Question #6c0da

Answer 1

2 is correct.

Explanation:

You get the dual by:

1 - Replacing AND with OR and Vice versa
2 - Replacing 0 with 1 and Vice Versa

I hope this helps a little. Somebody else out there might even have a better explanation.

Here's a good video:

https://vimeo.com/182843313

Keep posting questions!