Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
((not A) and (not b) and c) or ((not A) and b and (not c)) or ((not A) and b and c) or (A and b and (not c))
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random