math_celebrity Administrator Staff member Oct 5, 2020 #1 D= {a,b,c,d,e,f,g} the cardinality of set D is Cardinality of D, denoted |D|, is the number of items in the set: |D| = 7
D= {a,b,c,d,e,f,g} the cardinality of set D is Cardinality of D, denoted |D|, is the number of items in the set: |D| = 7