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Explain De Morgan's laws

written 5.6 years ago by teamques10 ★ 69k

modified 2.9 years ago by sagarkolekar ★ 11k

digital logic design

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written 2.9 years ago by sagarkolekar ★ 11k

De Morgan's laws:

AB = A + B

A + B = A . B

(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)
A	B	A	B	AB	AB	A + B	A + B	A + B	A . B
0	0	1	1	0	1	1	0	1	1
0	1	1	0	0	1	1	1	0	0
1	0	0	1	0	1	1	1	0	0
1	1	0	0	1	0	0	1	0	0

Columns (6) & (7) prove that, AB = A + B

Columns (9) & (10) prove that A + B = A.B

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