Sanford, David H. <br/><br/>
If P, then Q:  conditionals and the foundations of reasoning/ 
Sanford, David H. 
, 
<br/><br/> 13868  Conditionals (Logic) 
<br/><br/><label>ISBN: </label>978-0-415-28369-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conditionals (Logic)
<br/><br/><label>Dewey Class. No.: </label>160/SAN/I