Leonardo de Moura 6df31d3406 refactor(library/data/nat/basic): mark some theorems as protected to avoid overloading		2015-11-08 14:04:56 -08:00
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choose.lean	refactor(library/data/nat/basic): mark some theorems as protected to avoid overloading	2015-11-08 14:04:56 -08:00
combinatorics.md	feat(library/theories/combinatorics/choose): begin theory of binomial coefficients	2015-07-11 19:01:43 -04:00