Devlin, Keith J., <br/><br/>
Sets, functions and logic :  Basic concepts of university mathematics / 
Keith j. devlin 
 - 90 páginas 
<br/><br/><label>ISBN: </label>041222660x 0-412-22670-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matemáticas--1961-
<br/><br/><label>LC Class. No.: </label>QA37.2  / S47