Skip to contentSkip to Braille Studio

Library / Philosophy / A System of Logic, Ratiocinative and Inductive / Braille

A System of Logic, Ratiocinative and Inductive ⠃⠗⠋ 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

2,074,104 braille cells · 2,179 embossed pages at 40×25 · 2,416 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.