☆ Exercise:P1762,9310,13,14, 28,37,38 Next: Inverse functions . The characteristic function of the set P1785.2 2 Cardinality ☆ Paradox❖ Exercise: P176 2,9,10,13,14, ❖ 28,37,38 ❖Next: Inverse functions ❖The Characteristic function of the set P178 5.2 ❖Cardinality ❖Paradox