Hint for Section 10.5 Question 2

2.  a) Reflexive: Is every person taller than himself / herself?
Antisymmetric: If person a is taller than person b, does that imply that person b cannot be taller than person a?
Transitive: If person a is taller than person b and person b is taller than person c, is person a taller than person c? 

b) Reflexive: Was each person born on the same day as himself / herself?
Antisymmetric: If person a was born on the same day as person b, does that imply that person b cannot be born on the same day as person a?
Transitive: If person a was born on the same day as person b and person b was born on the same day as person c, was person a born on the same day as person c?

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