Q1: Let S:={a,b,c}. How many relations on S are reflexive and symmetric?
Q2: Let S:={a,b,c}. How many relations on S are symmetric and anti-symmetric (but not necessarily reflexive and transitive)?
Q1: Let S:={a,b,c}. How many relations on S are reflexive and symmetric?
Q2: Let S:={a,b,c}. How many relations on S are symmetric and anti-symmetric (but not necessarily reflexive and transitive)?
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