transmitted as 011110112. To recover the original data, the recipient with XOR the cypher text with the key. 011110112
Key
110100012 XOR
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e
Cyphertext
Chapter summary
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Original Data 101010102
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Conjunction: both sides of the proposition must be true. Disjunction: either side of the proposition can be true. Negation: reverses the truth of a proposition.
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Implication: if something is true then we can infer that something else is also true.
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Commutation: the order does not matter when using conjunction or disjunction.
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Association: the order does not matter when we link multiple conjunctions or multiple disjunctions; this does not hold true if we start mixing conjunctions and disjunctions. Double negation: two negations cancel each other out. de Morgan’s law: the negation of disjunctions is the conjunction of the negations.
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