Mathematics, 11.02.2021 23:10 sarahsteelman
Define a relation Rto be asymmetricon a set A iff whenever (a, b)∈Rthen(b, a)∉R. Define it to be irreflexiveiff (a, a)∉R∀a∈A. For each set and relationbelow, determine if the given relation is reflexive, irreflexive, symmetric, antisymmetric, asymmetric, or transitive. a. A={1,2,3,4,...}and(x, y)∈Riff y=xkfor some positive integer k. b.Ais the set of all lines in the plane; 1is related to 2iff ; 1is parallel to 2.c. A={1,2,3,4,5}; Ris the relation given in the digraph below.
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Define a relation Rto be asymmetricon a set A iff whenever (a, b)∈Rthen(b, a)∉R. Define it to be irr...
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