Appendix C
Boolean algebra
C.1 Laws of Boolean algebra
Boolean algebra involves the binary digits 1 and 0 and the operations ·, + and the inverse. The laws of this algebra are outlined below:
- Anything ORed with itself is equal to itself: A + A = A.
- Anything ANDed with itself is equal to itself: A · A = A.
- It does not matter in which order we consider inputs for OR and AND gates, e.g.
- As the following truth table indicates:
- Likewise we can ...
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