Skip to content

Library / Philosophy / Symbolic Logic / Braille

Symbolic Logic ⠃⠗⠋ 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

388,529 braille cells · 374 embossed pages at 40×25 · 28,187 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.