Is the truth table supposed to be a 3 bit device? It has no settings for, and completely ignores, the 4th bit.
1.Junk-Jack-Wiki 2. The world is big, 256 blocks high and 768 across. 3. Who is John Galt? 4. Lack of objection does not indicate consent. 5. We scream, we shout, we wail, we cry; but in the end we all must die.