Frege, Gottlob,  1848-1925. <br/><br/>
Logical investigations / 
Gottlob Frege ; edited with a pref. by P. T. Geach ; translated by P. T. Geach and R. H. Stoothoff. 
 - New Haven :  Yale University Press,  1977. 
 - ix, 82 p. ;  23 cm. 
<br/><br/> Translation of three articles first published by Frege in the periodical Beitrage zur Philosophie des deutschen Idealismus in 1918 and 1923.  Errata slip inserted. 
<br/><br/>Bibliography: p. 79-82. 
<br/><br/><br/>engger 
<br/><br/><label>ISBN: </label>0300021275 
<br/><br/><label>LCCN: </label>76-052339 //r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.<br/>Negation (Logic).<br/>Thought and thinking.