..............page:141-148
yi xie ji he de ji shu ( )
by Yang An-zhou Let X be an infinite set;the power set of X is denoted by P;C = C = { F:F is a complete field of sets in the P };then |C|= 2 |X| . Define F= { G:G is isomorphic to F };C1 ={ F:F∈C };if|X|= α;then |C1|= 0+ |α|. T ={ψ:ψ∈XX & ψ is bijective};Define F-G;if );
..............page:149
..............page:87-104
..............page:105-121
..............page:123-140