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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 · 3,209 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.