Reference

Logic

And

Input	Two boolean arguments.
Output	True if both arguments are true. False otherwise.

Or

Input	Two boolean arguments.
Output	True if at least one argument is true. False otherwise.

Xor

Input	Two boolean arguments.
Output	True if exactly one argument is true. False otherwise.

Not

Input	One boolean argument.
Output	True if the argument is false. False if the argument is true.