Skip to contentSkip to Braille Studio

Library / Philosophy / The Art of Logical Thinking; Or, The Laws of Reasoning / Braille

The Art of Logical Thinking; Or, The Laws of Reasoning ⠃⠗⠋ braille edition

Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

175,571 braille cells · 185 embossed pages at 40×25 · 1,308 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.