(d) Justifying your answer, find the smallest set of related pairs which must be added to R in order for it to become an equivalence relation.
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I need answer of :
d. Justifying your answer, find the smallest set of related pairs which must be
added to R in order for it to become an equivalence relation.
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- In each of the following parts, a relation is defined on the set of all human beings. Determine whether the relation is reflective, symmetric, or transitive. Justify your answers. xRy if and only if x lives within 400 miles of y. xRy if and only if x is the father of y. xRy if and only if x is a first cousin of y. xRy if and only if x and y were born in the same year. xRy if and only if x and y have the same mother. xRy if and only if x and y have the same hair colour.3. Draw the Hasse diagram of the relation R on A, where A = (1, 2, 3, 4}, andR = {(1, 1), (1, 2), (2, 2), (2, 4), (1, 3), (3, 3), (3, 4), (1, 4), (4, 4)}Let R be the relation on the set {1, 2, 3, 4} containing the ordered pairs (1, 1), (1, 3), (1, 4), (2, 4),(3, 1), (3, 2), (4, 1), and (4, 4).
- If R is a relation "is greater than" from A to B, where A={1,2,3,4,5} and B={1,2,6}. Find R in roster form.Suppose that A = { 1, 2, 3, 4, 5 } and B = { 1, 3, 5 }. Let R1 = { (1, 1), (2, 1), (2, 3), (2, 5), (3, 1), (3, 5), (4, 1), (5, 3), (5, 5) } and R2 = { (1, 1), (1, 3), (1, 5), (2, 3), (3, 1), (3, 3), (4, 1) }. List the relations R1 ∪ R2, R1 ∩ R2, R1 -- R2, R2 -- R1, and R1 ⊕ R2 in order of decreasing cardinality (largest on top).Compute the complement of relation R. R={(1, 1), (5, 1), (5, 5), (6, 1), (6, 6), (7, 1), (7, 7)}
- For each of these relations on the set {1,2,3,4}, draw the graph of the relation: {(1,1), (2,2), (3,3), (4,4)} {(1,2), (2,3), (3,4)} {(1,1), (1,2), (2,1), (2,2), (3,3), (4,4)} {(2,4), (4,2)} {(2,2), (2,3), (2,4), (3,2), (3,3), (3,4)} {(1,3), (1,4), (2,3), (2,4), (3,1), (3,4)}Let X=\{a,b,c,d,e,f\}X={a,b,c,d,e,f} and SS be the relation on XX defined by S = \{ (a,a), (a,b), (a,c),S={(a,a),(a,b),(a,c), (a,d), (a,e), (a,f),(a,d),(a,e),(a,f), (b,b), (b,d), (b,e),(b,b),(b,d),(b,e), (b,f), (c,c), (c,d),(b,f),(c,c),(c,d), (c,e), (c,f), (d,d),(c,e),(c,f),(d,d), (d,e), (d,f), (e,e), (f,f) \}(d,e),(d,f),(e,e),(f,f)}. Is SS a partial order? If so, draw its Hasse diagram. If not, give an example showing why.Let A={1,2,3,4} and let R be the relation from A to A R={(1,1),(1,4),(2,1),(2,2),(2,3),(3,1),(3,4),(4,3)} Create thr diagraph and matrix Mr for the relation
- Let A={a,b,c,d,e} and S, T, U and V relations on A where S = {(a,a), (a,b), (b,c), (b,d), (c,e), (e,d), (c,a)} T = {(a,b), (b,a), (b,c), (b,d), (e,e), (d,e), (c,b)} U= {(a,b), (a,a), (b,c), (b,b), (e,e), (b,a), (c,b), (c,c), (d,d), (a,c), (c,a)} V= {(a,b), (b,c), (b,b), (e,e), (b,a), (c,b), (d,d), (a,c), (c,a)} a) Which of the relations are reflexive? Justify your answer. b) Which of the relations are antisymmetric? Justify your answer. c) Find U V. d) Find T─S.Let A = {0,1,2,3} and R be the relation on A given by R = {(0,0),(0,2),(1,1),(1,2),(2,1),(2,0),(3,1),(2,2),(2,3),(3,2)}. Is R reflexive, symmetric, transitive, antisymmetric?Let B = {1, 2, 3, 4} and S be the relation defined by S = {(1,1), (1,3), (1,4), (2,2), (2,4), (3,3), (3,4), (4,4)}. Determine the relation S is a partial ordered relation.