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.