Skip to contentSkip to Braille Studio

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 · 24,749 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.