In propositional logic and Boolean algebra, De Morgan's laws, also known as De Morgan's theorem, are a pair of transformation rules that are both valid...
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Augustus De Morgan (27 June 1806 – 18 March 1871) was a British mathematician and logician. He is best known for De Morgan's laws, relating logical conjunction...
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De Morgan or de Morgan is a surname, and may refer to: Augustus De Morgan (1806–1871), British mathematician and logician. De Morgan's laws (or De Morgan's...
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laws, and none of these laws provides inference rules, such as modus ponens or De Morgan's laws. The law is also known as the law / principle of the excluded...
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these laws, and none of these laws provide inference rules, such as modus ponens or De Morgan's laws. The law of non-contradiction and the law of excluded...
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¬ is a De Morgan involution: ¬(x ∧ y) = ¬x ∨ ¬y and ¬¬x = x. (i.e. an involution that additionally satisfies De Morgan's laws) In a De Morgan algebra...
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below. If the truth table for a NAND gate is examined or by applying De Morgan's Laws, it can be seen that if any of the inputs are 0, then the output will...
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logic to manipulate propositions. Common rules of replacement include de Morgan's laws, commutation, association, distribution, double negation, transposition...
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handedness to put them into. De Morgan's laws: In propositional logic and Boolean algebra, De Morgan's laws, also known as De Morgan's theorem, are a pair of...
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{\displaystyle \{\lor ,\neg \}} are themselves functionally complete as well. De Morgan's laws also follow from the definitions of these connectives in terms of each...
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