Answer Happy

Posted: **Thu May 12, 2022 12:07 pm**

: 4 4 Pts Each Let A Be The Set Of All Human Beings For X And Y In A Define X Ry If X Is A Sister Of Y Do Not Worry 1 (27.65 KiB) Viewed 27 times

4. (4 pts each) Let A be the set of all human beings. For x and y in A define x Ry if x is a sister of y. (Do not worry about half-siblings.) (a) Is this relation reflexive? (b) Is this relation symmetric? (c) Is this relation transitive?