leanprover-community/mathlib

Pull Requests Commits

Merge branch 'master' into eric-wieser/better-matrix-notation

eric-wieser committed 3 years ago

Verified 19d9b125

refactor(topology/subset_properties): reformulate `is_clopen_b{Union,Inter}` in terms of `set.finite` (#15272)

urkud committed 3 years ago

ea13c1cf

feat(data/finsupp/basic): graph of a finitely supported function (#15197)

vihdzp committed 3 years ago

2a325960

feat(algebra/parity): more general odd.pos (#15186)

ericrbg committed 3 years ago

c6014bd2

refactor(topology/separation): rename `regular_space` to `t3_space` (#15169)

urkud committed 3 years ago

ede73b25

refactor(data/matrix/basic): add matrix.of for type casting (#14992)

eric-wieser committed 3 years ago

6c351a8f

feat(topology/maps): more `iff` lemmas (#15165)

urkud committed 3 years ago

834488ee

feat(analysis/special_functions/pow): drop an assumption in `is_o_log_rpow_rpow_at_top` (#15164)

urkud committed 3 years ago

7bd47556

feat(ring_theory/bezout): Define Bézout rings. (#15091)

erdOne committed 3 years ago

3543262a

feat(algebra/ring/{pi, prod, opposite}): add basic defs for non_unital_ring_hom (#13958)

j-loreaux committed 3 years ago

ece3044a

chore(data/set/finite): golf some proofs (#15273)

urkud committed 3 years ago

55db0722

feat(analysis/special_functions/trigonometric/angle): equality of twice angles (#14988)

jsm28 committed 3 years ago

7251bbf7

feat(data/nat/parity): `nat.bit1_div_bit0` (#15268)

tb65536 committed 3 years ago

89a80e67

chore(*): improve some definitional equalities (#15083)

urkud committed 3 years ago

9c400932

feat(data/nat/basic): add `strong_sub_recursion` and `pincer_recursion` (#15061)

stuart-presnell committed 3 years ago

eb091f87

feat(set_theory/game/pgame): strengthen `lf_or_equiv_of_le` to `lt_or_equiv_of_le` (#15255)

vihdzp committed 3 years ago

13f04ec6

feat(algebra/module/torsion): `R/I`-module structure on `M/IM`. (#15092)

erdOne committed 3 years ago

0d659de3

feat(order/order_iso_nat): generalize `well_founded.monotone_chain_condition` to preorders (#15073)

vihdzp committed 3 years ago

fef5124e

feat(representation_theory/character): formula for the dimension of the invariants in terms of the character (#15084)

antoinelab01 committed 3 years ago

119e166b

feat(order/well_founded_set): any relation is well-founded on `Ø` (#15266)

vihdzp committed 3 years ago

aadba9b2

feat(set_theory/game/pgame): `is_option (-x) (-y) ↔ is_option x y` (#15256)

vihdzp committed 3 years ago

6c5e9fe2

feat(set_theory/game/pgame): add `equiv.comm` (#15254)

vihdzp committed 3 years ago

087bc1f9

chore(set_theory/ordinal/cantor_normal_form): mark `CNF` as `pp_nodot` (#15228)

vihdzp committed 3 years ago

2bca4d61

feat(algebra/order/monoid_lemmas_zero_lt): add missing lemmas (#14770)

astrainfinita committed 3 years ago

8284c00e

chore(logic/is_empty): add lemmas for subtype, sigma, and psigma (#15134)

eric-wieser committed 3 years ago

30daa3c0

feat(probability/moments): Chernoff bound on the upper/lower tail of a real random variable (#15129)

RemyDegenne committed 3 years ago

a8fdd990

feat(probability/independence): two tuples indexed by disjoint subsets of an independent family of r.v. are independent (#15131)

RemyDegenne committed 3 years ago

0039a198

feat(tactic/lint): add a linter for `[fintype _]` assumptions (#15202)

urkud committed 3 years ago

d6d3d61e

feat(tactic/polyrith): a tactic using Sage to solve polynomial equalities with hypotheses (#14878)

dhruvbhatia00 committed 3 years ago

423a8b92

chore(set_theory/game/ordinal): minor golf (#15253)

vihdzp committed 3 years ago

1f3c2c09

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