Hadfgield, Jill,  1944- <br/><br/>
Oxford Basics:  presenting new language / 
Jill Hadfield y Chatrles Hadfield 
 - Oxford ;  New York  Oxford University Press,  2005 
 - xix , 69 p. :  il. ;  27 cm. 
 - Oxford texts in logic ;  2 .
<br/><br/>Basics -- Formal proof -- Disproof -- Proof of programs. 
<br/><br/><label>ISBN: </label>0194421678 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IDIOMAS
<br/><br/><label>Dewey Class. No.: </label>428.66  / H129