Consider the following relations on the set A={4,3,2,1} R1={(4,4),(3,3),(2,2),(2,1),(1,1) },R2={(4,4),(3,3),(3,2),(2,3),(1,3),(1,2),(1,1)}, R3=A*A, R4={(2,4),(2,2),(1,3),(1,1)} determine which of the relation(s) are:transitive , symmetric, reflexive, anti-symmetric, equivalence, ordered relation.
