00913nam--2200325---450-99000322638020331620090423123530.0000322638USA01000322638(ALEPH)000322638USA0100032263820090423d1972----km-y0itay50------baengUSa---||||001yyLogic. sets and numbersF. Roethel and Abraham WeinsteinBelmontWadsworth Publ. Co.1972293 p.ill.23 cmLogica matematica511.3ROETHEL,Louis F.603760WEINSTEIN,Abraham603761ITsalbcISBD990003226380203316511.3 ROE5416/CBS511.300218475BKSCIRSIAV69020090423USA011235Logic. sets and numbers1011603UNISA