Give an example of a relation on {a, b, c} that is: 23. reflexive, symmetric, and transitive. 24. reflexive, symmetric, but not transitive. 25. reflexive, transitive, but not symmetric. 26. symmetric, transitive, but not reflexive. 27. reflexive, but neither symmetric nor transitive. 28. symmetric, but neither transitive nor reflexive. 29. transitive, but neither reflexive nor symmetric. 30. neither reflexive, symmetric, nor transitive. 31. symmetric, but not antisymmetric. 32. antisymmetric, but not symmetric. 33. symmetric and antisymmetric 34. neither symmetric nor antisymmetric. 4n on 1a h cl