Mathematics, 29.11.2019 01:31, leonardkaren41ovlx1q
Determine whether the relation r on the set of all real numbers is reflexive, symmetric, antisymmetric, and/or transitive, where (x, y) ∈ r if and only if:
(a) x + y = 0, (b) x = ±y, (c) x − y is a rational number, (d) x = 2y, (e) xy ≥ 0, (f) xy = 0, (g) x = 1, (h) x = 1 or y = 1.
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Determine whether the relation r on the set of all real numbers is reflexive, symmetric, antisymmetr...
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