learnyou/lysa: Learn You Some Algebras for Glorious Good!: A math textbook that's free, fun, and easy to read! That's free, in both senses of the word.

Alexey Gaziev f126cb8d68 Merge pull request #9 from gazay/chapter22		%!s(int64=9) %!d(string=hai) anos
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2	f126cb8d68 Merge pull request #9 from gazay/chapter22	%!s(int64=9) %!d(string=hai) anos
3	9cfdeaffe5 move book/ -> ru/	%!s(int64=9) %!d(string=hai) anos
1-introduction.ltx	9cfdeaffe5 move book/ -> ru/	%!s(int64=9) %!d(string=hai) anos
2-boolean-algebra.ltx	9cfdeaffe5 move book/ -> ru/	%!s(int64=9) %!d(string=hai) anos
3-sets-functions.ltx	9cfdeaffe5 move book/ -> ru/	%!s(int64=9) %!d(string=hai) anos
4-proofs.ltx	9cfdeaffe5 move book/ -> ru/	%!s(int64=9) %!d(string=hai) anos