Skip to contentSkip to Braille Studio

Library / Philosophy / Deductive Logic / Braille

Deductive 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

445,580 braille cells · 467 embossed pages at 40×25 · 2,861 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.