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DeMorgan’s Theorems

DeMorgan’s Theorems. A · B = A + B. A x B. A. B. A. B. A + B. A x B. 0. 0. 0. 1. 1. 1. 1. 0. 1. 0. 1. 1. 0. 1. 1. 0. 0. 1. 0. 1. 1. 1. 1. 1. 0. 0. 0. 0. EQUAL. DeMorgan’s Theorem #1. A + B = A · B. EQUAL. DeMorgan’s Theorem #2.

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DeMorgan’s Theorems

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  1. DeMorgan’s Theorems

  2. A · B = A + B A x B A B A B A + B A x B 0 0 0 1 1 1 1 0 1 0 1 1 0 1 1 0 0 1 0 1 1 1 1 1 0 0 0 0 EQUAL DeMorgan’s Theorem #1

  3. A + B = A · B EQUAL DeMorgan’s Theorem #2

  4. A · B = A + B DeMorgan’s Theorem #1 = Invert output of an AND gate Invert the inputs of an OR gate

  5. A + B = A · B DeMorgan’s Theorem #2 = Invert output of an OR gate Invert the inputs of an AND gate

  6. DeMorganizing an Expression

  7. DeMorganizing an Expression

  8. DeMorganizing an Expression

  9. DeMorganizing an Expression

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