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.