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Some info about ENGLISH
Necessarily
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VARIOUS
In logic and mathematics, necessity and sufficiency are terms used to describe a conditional or implicational relationship between two statements. For example, in the conditional statement: "If P then Q", Q is necessary for P, because the truth of Q is guaranteed by the truth of P .[1] Similarly, P is sufficient for Q, because P being true always implies that Q is true, but P not being true does not always imply that Q is not true.[2]
Wikipedia contributors, "Necessarily," Wikipedia, The Free Encyclopedia,
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