Freyd, Peter J. <br/><br/>
Categories, allegories / 
Peter J. Freyd, Andre Scedrov. 
 - Amsterdam ;  New York :  New York, NY, U.S.A. :  North-Holland ;  sole distributors for the U.S.A. and Canada, Elsevier Science Pub.,  c1990. 
 - xvii, 296 p. :  ill. ;  23 cm. 
 - North-Holland mathematical library ;   v. 39 .
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Allegories (Mathematics)<br/>Categories (Mathematics)
<br/><br/><label>Subjects--Index Terms: </label>Lôgic toán Toán học 
<br/><br/><label>Dewey Class. No.: </label>511.3  / FRE 1990