Whitehead, Alfred North,  1861-1947 <br/><br/>
Principia mathematica, vol. 2 (of 3) 

 - 1 online resource :  multiple file formats 
<br/><br/> Release date is 2026-03-20 
<br/><br/>Richard Tonsing, Laura Natal and the Online Distributed Proofreading Team at https://www.pgdp.net (This book was produced from images made available by the HathiTrust Digital Library.) In memoriam of Greg Newby.  Richard Tonsing, Laura Natal and the Online Distributed Proofreading Team at https://www.pgdp.net (This book was produced from images made available by the HathiTrust Digital Library.) In memoriam of Greg Newby. 
<br/><br/>
<br/><br/><label>Subjects--Index Terms: </label>Mathematics Logic, Symbolic and mathematical Mathematics -- Philosophy 
<br/><br/><label>LC Class. No.: </label>QA