... 6)of real numbers, and vice versa. 2 -3 -2 -1 2 О з • -1 -2 Example 1.13: Let A = {1,2,3} and В ={a,b}. Then AxBr {(l,a), A,6), B,o), B,6), C,o),C,6)}CHAP. 1] SET THEORY The concept of productset ... ofinvestigations of various games of chance. Sincethen many leading mathematicians and scientistsmade contributions to the theory of probability. However, despite its long and active history, probability ... a partition of X since 7 ? Xbut 7 does not belong to any of the cells.Furthermore, (ii) is not a partition of X since 56^ and 5 belongs to both {1,3,5} and {5, 7, 9}. On theother hand, (iii)...