Sets, sequences, and mappings: the basic concepts of analysis [by] Kenneth W. Anderson [and] Dick Wick Hall. Anderson, Kenneth W. Hall, Dick Wick, 1912- joint author. Set theory. Functor theory. QA248 .A66 512.89 19 ANS New York, Wiley [1963] [1963] 1963 Text x, 191 p. eng