Russell, Bertrand, 1872-1970
Tractatus Logico-Philosophicus [recurso electrónico] / Bertrand Russell - Project Gutenberg, 2010 - Project Gutenberg 5740 .
Public domain in the USA.
Text
Logic, Symbolic and mathematical Language and languages -- Philosophy
B
Tractatus Logico-Philosophicus [recurso electrónico] / Bertrand Russell - Project Gutenberg, 2010 - Project Gutenberg 5740 .
Public domain in the USA.
Text
Logic, Symbolic and mathematical Language and languages -- Philosophy
B