Cipher Operations 101

Remember the four TRUE rules, and you can make it!

1 AND 0 => 1 is the left-hand side, 0 is the right-hand side
1 stands for true; 0 for false

AND => both sides are true, the result is true
OR => either side is true, the result is true
XOR => both sides differ, the result is true
NOT => reverse the result

Examples:
1 AND 0 => 0
NOT (1 AND 0) => NOT 0 => 1

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