Chapter 4, Problem 9P

(a)

Program Plan Intro

To apply the DE Morgan’s theorem to expression $\overline{A+\overline{B}}$ is based.

(b)

Program Plan Intro

To apply the DE Morgan’s theorem to expression $\overline{\overline{A}B}$ is based.

(c)

Program Plan Intro

To apply the DE Morgan’s theorem to expression $\overline{A+B+C}$ is based.

(d)

Program Plan Intro

To apply the DE Morgan’s theorem to expression $\overline{ABC}$ is based.

(e)

Program Plan Intro

To apply the DE Morgan’s theorem to expression $\overline{A(B+C)}$ is based.

(f)

Program Plan Intro

To apply the DE Morgan’s theorem to expression $\overline{AB}+\overline{CD}$ is based.

(g)

Program Plan Intro

To apply the DE Morgan’s theorem to expression $\overline{AB+CD}$ is based.

(h)

Program Plan Intro

To apply the DE Morgan’s theorem to expression $\overline{\left(A+\overline{B}\right)\left(\overline{C}+D\right)}$ is based.