We have seen how Boolean algebra
can be used to help analyze a logic circuit and express its operation
mathematically. We will continue our study of Boolean algebra by investigating
the various Boolean theorems that can
help us to simplify logic expressions and logic circuits. The first group of
theorems is given in Figure 1. In each theorem, x is a logic variable that can
be either a 0 or a 1.
Figure 1.single-variable theorems
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