Leonardo de Moura 44518fcab1 refactor(library/theories/group_theory): move diff to nat		2015-07-30 20:14:48 -07:00
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combinatorics	feat(library/theories/combinatorics/choose): show the number of subsets of s of size k is choose (card s) k	2015-07-27 07:46:59 -07:00
group_theory	refactor(library/theories/group_theory): move diff to nat	2015-07-30 20:14:48 -07:00
number_theory	feat(library/theories/number_theory/prime_factorization): prove that n is equal to its prime factorization	2015-07-27 15:16:16 -07:00
theories.md	feat(library/theories/combinatorics/choose): begin theory of binomial coefficients	2015-07-11 19:01:43 -04:00