Saved Bookmarks
| 1. |
Let R be a relation from Q to Q defined by R={(a,b): a,b∈Q and a−b∈Z}.Show that:(i) (a,a)∈R for all a∈Q(ii) (a,b)∈R implies that (b,a)∈R(iii) (a,b)∈R and (b,c)∈R implies that (a,c)∈R |
|
Answer» Let R be a relation from Q to Q defined by R={(a,b): a,b∈Q and a−b∈Z}. Show that: (i) (a,a)∈R for all a∈Q (ii) (a,b)∈R implies that (b,a)∈R (iii) (a,b)∈R and (b,c)∈R implies that (a,c)∈R |
|