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Library / Mathematics / The Game of Logic / Braille

The Game of 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

115,252 braille cells · 111 embossed pages at 40×25 · 4,752 unrepresentable characters omitted

⠤⠤⠤⠤⠤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠝⠕⠀⠽⠀⠁⠗⠑⠀
⠭⠆⠀⠀⠀⠀⠀⠀⠀⠀⠼⠚⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠊⠲⠑⠲⠀⠠⠝⠕⠀⠝⠊⠉⠑⠀
⠁⠗⠑⠀⠝⠑⠺⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠤⠤⠤⠤⠤⠀⠀⠀⠀
⠠⠕⠃⠎⠑⠗⠧⠑⠀⠞⠓⠁⠞⠀⠞⠓⠊⠎⠀⠊⠎⠀⠍⠑⠗⠑⠇⠽⠀⠁⠝⠕⠞⠓⠑⠗⠀⠺⠁⠽
⠀⠕⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠑⠭⠏⠗⠑⠎⠎⠊⠝⠛⠀⠠⠝⠕⠀
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⠠⠝⠕⠀⠽⠀⠁⠗⠑⠀⠭⠄⠆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠊⠲⠑⠲⠀
⠠⠝⠕⠀⠝⠊⠉⠑⠀⠁⠗⠑⠀⠝⠕⠞⠤⠝⠑⠺⠲⠀⠀⠀⠀⠀⠀⠀⠤⠤⠤⠤⠤⠀⠀⠀⠀⠀⠀⠀
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⠠⠎⠕⠍⠑⠀⠽⠀⠁⠗⠑⠀⠭⠂⠀⠁⠝⠙⠀⠎⠕⠍⠑⠀⠁⠗⠑⠀⠭⠄⠆⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠊⠲⠑⠲⠀⠠⠎⠕⠍⠑⠀⠝⠊⠉⠑⠀⠁⠗⠑⠀⠝⠑⠺⠂⠀⠁⠝⠙⠀⠎⠕⠍⠑⠀⠁⠗⠑⠀⠀⠀
⠤⠤⠤⠤⠤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠝⠕⠞⠤⠝⠑⠺⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠼⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠤⠤⠤⠤⠤⠀⠀⠀
⠤⠤⠤⠤⠤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠚⠀⠀⠀
⠠⠝⠕⠀⠽⠀⠁⠗⠑⠀⠭⠂⠀⠁⠝⠙⠀⠝⠕⠝⠑⠀⠁⠗⠑⠀⠭⠄⠆⠀⠊⠲⠑⠲⠀⠠⠝⠕⠀⠽
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⠤⠤⠤⠤⠤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠊⠲⠑⠲⠀⠠⠝⠕⠀⠠⠉⠁⠅⠑⠎⠀⠁⠗⠑⠀
⠝⠊⠉⠑⠲⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠚⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠤⠤⠤⠤⠤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠤⠤⠤⠤⠤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠼⠁⠀⠀⠀
⠠⠁⠇⠇⠀⠽⠀⠁⠗⠑⠀⠭⠆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠊⠲⠑⠲
⠀⠠⠁⠇⠇⠀⠝⠊⠉⠑⠀⠁⠗⠑⠀⠝⠑⠺⠲⠀⠀⠀⠀⠀⠀⠀⠤⠤⠤⠤⠤⠀⠀⠀⠀⠀⠀⠀⠀⠀

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.