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De Morgan's laws are a pair of simple statements relating disjunction and conjunction in formal logic. Specifically: 1. * The negation of the conjunction of two statements is logically equivalent to the disjunction of their negations. 2. * The negation of the disjunction of two statements is logically equivalent to the conjunction of their negations. Since the English description is obviously very unwieldy, they are better described here in terms of logical operators, respectively: 1. * * Both of these laws can easily be verified using truth tables:

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  • De Morgan's laws
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  • De Morgan's laws are a pair of simple statements relating disjunction and conjunction in formal logic. Specifically: 1. * The negation of the conjunction of two statements is logically equivalent to the disjunction of their negations. 2. * The negation of the disjunction of two statements is logically equivalent to the conjunction of their negations. Since the English description is obviously very unwieldy, they are better described here in terms of logical operators, respectively: 1. * * Both of these laws can easily be verified using truth tables:
  • In logic, De Morgan's laws (or De Morgan's theorem) are rules in formal logic relating pairs of dual logical operators in a systematic manner expressed in terms of negation. The relationship so induced is called De Morgan duality. The rule states that each of the following claims is logically equivalent to the one next to it and may be legally transformed from one to the other in either direction:
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  • deMorgansLaws
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  • de Morgan's Laws
abstract
  • De Morgan's laws are a pair of simple statements relating disjunction and conjunction in formal logic. Specifically: 1. * The negation of the conjunction of two statements is logically equivalent to the disjunction of their negations. 2. * The negation of the disjunction of two statements is logically equivalent to the conjunction of their negations. Since the English description is obviously very unwieldy, they are better described here in terms of logical operators, respectively: 1. * * Both of these laws can easily be verified using truth tables:
  • In logic, De Morgan's laws (or De Morgan's theorem) are rules in formal logic relating pairs of dual logical operators in a systematic manner expressed in terms of negation. The relationship so induced is called De Morgan duality. The rule states that each of the following claims is logically equivalent to the one next to it and may be legally transformed from one to the other in either direction:
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