THE SCIENCE ABSOLUTE OF SPACE 



Independent of the Truth or Falsity of Euclid s 



Axiom XI (which can never be 



decided a priori). 



BY 



JOHN BOLYAI 



TRANSLATED FROM THE LATIN 



BY 

 DR. GEORGE BRUCE HALSTED 



PRESIDENT OF THE TEXAS ACADEMY OF SCIENCE 



FOURTH EDITION. 



VOLUME T1IREK OK THE NEOMONIO SERIES 



PUBLISHED AT 



THE NKOMON 



2407 Guadalupe Street 



AUSTIN. TEXAS, U. S. A. 



1896 



