Library / Philosophy / Logic / Braille
Logic ⠃⠗⠋ braille edition
Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.
Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt
803,930 braille cells · 849 embossed pages at 40×25 · 2,250 unrepresentable characters omitted
⠁⠏⠏⠇⠊⠉⠁⠞⠊⠕⠝⠀⠕⠋⠀⠞⠓⠑⠀⠎⠉⠊⠑⠝⠉⠑⠀⠕⠋⠀⠏⠗⠕⠕⠋⠀ ⠙⠑⠎⠑⠗⠧⠑⠎⠀⠎⠏⠑⠉⠊⠁⠇⠀⠍⠑⠝⠞⠊⠕⠝⠒⠀⠝⠁⠍⠑⠇⠽⠂⠀⠞⠕⠀ ⠞⠓⠁⠞⠀⠙⠑⠏⠁⠗⠞⠍⠑⠝⠞⠀⠕⠋⠀⠠⠗⠓⠑⠞⠕⠗⠊⠉⠀⠺⠓⠊⠉⠓⠀⠓⠁⠎⠀ ⠃⠑⠑⠝⠀⠞⠓⠑⠀⠍⠕⠎⠞⠀⠙⠑⠧⠑⠇⠕⠏⠑⠙⠂⠀⠗⠑⠇⠁⠞⠊⠝⠛⠀⠞⠕⠀ ⠏⠑⠗⠎⠥⠁⠎⠊⠕⠝⠀⠃⠽⠀⠍⠑⠁⠝⠎⠀⠕⠋⠀⠕⠗⠁⠞⠕⠗⠽⠂⠀ ⠇⠑⠁⠙⠑⠗⠤⠺⠗⠊⠞⠊⠝⠛⠂⠀⠕⠗⠀⠏⠁⠍⠏⠓⠇⠑⠞⠑⠑⠗⠊⠝⠛⠲⠀⠠⠊⠞⠀ ⠊⠎⠀⠥⠎⠥⠁⠇⠇⠽⠀⠎⠁⠊⠙⠀⠞⠓⠁⠞⠀⠠⠇⠕⠛⠊⠉⠀⠊⠎⠀⠥⠎⠑⠋⠥⠇⠀⠞⠕ ⠀⠉⠕⠝⠧⠊⠝⠉⠑⠀⠞⠓⠑⠀⠚⠥⠙⠛⠍⠑⠝⠞⠂⠀⠝⠕⠞⠀⠞⠕⠀⠏⠑⠗⠎⠥⠁⠙⠑⠀ ⠞⠓⠑⠀⠺⠊⠇⠇⠒⠀⠃⠥⠞⠀⠕⠝⠑⠀⠺⠁⠽⠀⠕⠋⠀⠏⠑⠗⠎⠥⠁⠙⠊⠝⠛⠀⠞⠓⠑⠀ ⠺⠊⠇⠇⠀⠊⠎⠀⠞⠕⠀⠉⠕⠝⠧⠊⠝⠉⠑⠀⠞⠓⠑⠀⠚⠥⠙⠛⠍⠑⠝⠞⠀⠞⠓⠁⠞⠀⠁⠀ ⠉⠑⠗⠞⠁⠊⠝⠀⠉⠕⠥⠗⠎⠑⠀⠊⠎⠀⠁⠙⠧⠁⠝⠞⠁⠛⠑⠕⠥⠎⠆⠀⠁⠝⠙⠀ ⠁⠇⠞⠓⠕⠥⠛⠓⠀⠞⠓⠊⠎⠀⠊⠎⠀⠝⠕⠞⠀⠁⠇⠺⠁⠽⠎⠀⠞⠓⠑⠀⠗⠑⠁⠙⠊⠑⠎⠞ ⠀⠺⠁⠽⠂⠀⠊⠞⠀⠊⠎⠀⠞⠓⠑⠀⠍⠕⠎⠞⠀⠓⠕⠝⠕⠥⠗⠁⠃⠇⠑⠂⠀⠁⠝⠙⠀ ⠇⠑⠁⠙⠎⠀⠞⠕⠀⠞⠓⠑⠀⠍⠕⠎⠞⠀⠑⠝⠙⠥⠗⠊⠝⠛⠀⠗⠑⠎⠥⠇⠞⠎⠲⠀ ⠠⠇⠕⠛⠊⠉⠀⠊⠎⠀⠞⠓⠑⠀⠃⠁⠉⠅⠃⠕⠝⠑⠀⠕⠋⠀⠠⠗⠓⠑⠞⠕⠗⠊⠉⠲⠀⠀ ⠠⠊⠞⠀⠓⠁⠎⠀⠃⠑⠑⠝⠀⠙⠊⠎⠏⠥⠞⠑⠙⠀⠺⠓⠑⠞⠓⠑⠗⠀⠠⠇⠕⠛⠊⠉⠀⠊⠎⠀ ⠁⠀⠎⠉⠊⠑⠝⠉⠑⠀⠕⠗⠀⠁⠝⠀⠁⠗⠞⠆⠀⠁⠝⠙⠂⠀⠊⠝⠀⠋⠁⠉⠞⠂⠀⠊⠞⠀ ⠍⠁⠽⠀⠃⠑⠀⠉⠕⠝⠎⠊⠙⠑⠗⠑⠙⠀⠊⠝⠀⠃⠕⠞⠓⠀⠺⠁⠽⠎⠲⠀⠠⠁⠎⠀⠁⠀ ⠎⠞⠁⠞⠑⠍⠑⠝⠞⠀⠕⠋⠀⠛⠑⠝⠑⠗⠁⠇⠀⠞⠗⠥⠞⠓⠎⠂⠀⠕⠋⠀⠞⠓⠑⠊⠗⠀ ⠗⠑⠇⠁⠞⠊⠕⠝⠎⠀⠞⠕⠀⠕⠝⠑⠀⠁⠝⠕⠞⠓⠑⠗⠂⠀⠁⠝⠙⠀⠑⠎⠏⠑⠉⠊⠁⠇⠇⠽ ⠀⠞⠕⠀⠞⠓⠑⠀⠋⠊⠗⠎⠞⠀⠏⠗⠊⠝⠉⠊⠏⠇⠑⠎⠂⠀⠊⠞⠀⠊⠎⠀⠁⠀ ⠎⠉⠊⠑⠝⠉⠑⠆⠀⠃⠥⠞⠀⠊⠞⠀⠊⠎⠀⠁⠝⠀⠁⠗⠞⠀⠺⠓⠑⠝⠂⠀ ⠗⠑⠛⠁⠗⠙⠊⠝⠛⠀⠞⠗⠥⠞⠓⠀⠁⠎⠀⠁⠝⠀⠑⠝⠙⠀⠙⠑⠎⠊⠗⠑⠙⠂⠀⠊⠞⠀ ⠏⠕⠊⠝⠞⠎⠀⠕⠥⠞⠀⠎⠕⠍⠑⠀⠕⠋⠀⠞⠓⠑⠀⠍⠑⠁⠝⠎⠀⠕⠋⠀ ⠁⠞⠞⠁⠊⠝⠊⠝⠛⠀⠊⠞⠤⠤⠝⠁⠍⠑⠇⠽⠂⠀⠞⠕⠀⠏⠗⠕⠉⠑⠑⠙⠀⠃⠽⠀⠁⠀
These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.