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Deductive 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.

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381,717 braille cells · 398 embossed pages at 40×25 · 2,861 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.