R. R. Rockingham Gill <br/><br/>
Deducibility and Decidability 

 -  Routledge  1990 
<br/><br/><label>ISBN: </label>9780415000338 
<br/><br/><label>Subjects--Topical Terms: </label><br/> General<br/>Decidability (Mathematical logic),Logic, Symbolic and mathematical.<br/>PHILOSOPHY