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Recent questions tagged domain

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For existence of f(x) = , x lies in (take n I) (1) [0, 2nπ] (2) (3) (4) None of these how to solve such question? Pl give detailed explanation. Always find difficult to solve Range and domain of such complex question.
asked Dec 19, 2017 in Linear Algebra stanchion 207 views
2 votes
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in the question below in relational algebra if we use projection the relation is considered as a set and hence duplicates are not allowed will even trc and drc follow the same rule ?? rest all i understood only this point is doubtful please clarify
asked Oct 3, 2017 in Databases Venkat Sai 189 views
1 vote
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Find a common domain for the variables x, y, z, and w for which the statement $∀x∀y∀z∃w((w \neq x) ∧ (w \neq y) ∧ (w \neq z))$ is true and another common domain for these variables for which it is false.
asked Jul 25, 2017 in Mathematical Logic Ali Jazib Mahmood 154 views
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