Please explain

question 1:

Consider the set of all members belonging to the same family and the binary relation R defined as "to be an ancestor of". 1. Is R rational? Explain 2. A binary relation is said asymmetric if xRy, then not yRX. Is R asymmetric? Explain TTT Arial V 3 (12pt) V T ABC &'sOne concept and one example given in the introductory video are illustrated in the following picture. What concept it is? Explain quickly what this example (or the one that is similar in the video) shows