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Establish the Boolean identity A.C+A.B...

Establish the Boolean identity
`A.C+A.B.C=A.C`

Text Solution

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`A.C+A.B.C=A.C(1+B)=A.C(1)=A.C`
`[:' 1+B=1 as B "can be" 0 or 1]`
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