Mathematics Homework Solutions

Adjacency Matrix for Km,n

Find an adjacency matrix for K m,n. (That's K 'sub' m,n)

Binary Relations : Reflexive, Symmetric, Antisymmetric, and/or Transitive

Determine whether the binary relation R on Z, where aRb means |a-b| <= 1, is reflexive, symmetric, antisymmetric, and/or transitive.

Binary Relations : Reflexive, Symmetric, Antisymmetric, and/or Transitive

Consider the following relation R on the set of positive integers: R = {(x,y)|gcd(x,y)} = 1 Is this relation reflexive, symmetric, antisymmetric, and/or transitive?

Binary Relations : Reflexive, Symmetric, Antisymmetric, and/or Transitive

Consider the following relation R on the set of positive integers: R = {(x,y)|x and y have the same prime divisors} Is this relation reflexive, symmetric, antisymmetric, and/or transitive?

Binary Relations : Reflexive, Symmetric, Antisymmetric, and/or Transitive

Determine whether the binary relation R on Z, where aRb means a^2 = b^2, is reflexive, symmetric, antisymmetric, and/or transitive.

Binary Relations : Reflexive and Transitive, but not Antisymmetric

Give an example of or else prove that there are no relations on {a,b,c} that is reflexive and transitive, but not antisymmetric.

Binary Relations : Symmetric and Transitive, but not Reflexive

Give an example of or else prove that there are no relations on {1,2} that is symmetric and transitive, but not reflexive.

Hasse Diagram : Ordered Pairs and Boolean Matrix

Consider the following Hasse diagram of a partial ordering relation R on a set A: (see attached for image) (a) List the ordered pairs that belong to the relation. (b) Find the (boolean) matrix of the relation.

Reflexive, Antisymmetric and Transitive Properties : Hasse Diagram and Boolean Matrix

Please see the attached file for the fully formatted problems. Let A = {1, 2, 3, 4, 5, 6,12} and define the relation R on A by m R n iff m|n. Write the definitions of the properties, reflexive, antisymmetric and transitive and the use the definitions to determine whether each property holds for this relation. (a) Is thi ...continues

Hasse Diagram : Ordered Pairs and Boolean Matrix

Please see the attached file for the fully formatted problems. Consider the following Hasse Diagram of a partial ordering relation R on a set A. 5 / 3 / 4 | | ...continues

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