Commits leanprover-community/mathlib

feat(group_theory/submonoid/pointwise): add pointwise multiplication to `add_submonoid`s (#11522)

eric-wieser committed 3 years ago

6c97821d

feat(measure_theory/function/lp_space): some variations of Markov's inequality formulated using `snorm` (#11478)

kex-y committed 3 years ago

adadd4af

chore(*): Remove tactic.unfreeze_local_instances (#11507)

huynhtrankhanh committed 3 years ago

8c9074f8

feat(data/sym/sym2): add lemma that eq from distinct common members (#11563)

vbeffara committed 3 years ago

dfca2b0f

feat(group_theory/nilpotent): Add equality theorems for nilpotency class (#11540)

nomeata committed 3 years ago

b87449ab

feat(measure_theory/measurable_space): defining a measurable function on countably many pieces (#11532)

sgouezel committed 3 years ago

b5e542d3

feat(ring_theory/{norm.lean, trace.lean}): improve two statements. (#11569)

riccardobrasca committed 3 years ago

1d762c7e

feat(topology/uniform_space/uniform_convergence): Composition on the left (#11560)

tb65536 committed 3 years ago

447928c9

feat(analysis/inner_product_space/l2): a Hilbert space is isometrically isomorphic to `ℓ²` (#11255)

hrmacbeth committed 3 years ago

5a40c33f

feat(*): lemmas about `disjoint` on `set`s and `filter`s (#11549)

urkud committed 3 years ago

53650a00

feat(analysis/normed_space/finite_dimension): extending partially defined Lipschitz functions (#11530)

sgouezel committed 3 years ago

e96e55d8

chore(topology/uniform_space/uniform_convergence): Golf some proofs (#11561)

tb65536 committed 3 years ago

0a8848ac

doc(group_theory/free_group): fix linkify (#11565)

ericrbg committed 3 years ago

656372c4

chore(*): to_additive related cleanup (#11559)

alexjbest committed 3 years ago

0bb42725

feat(data/finsupp/basic): lemmas about map domain with only inj_on hypotheses (#11484)

alexjbest committed 3 years ago

7ee41aab

chore(*): clean up comment strings in docstrings (#11557)

alexjbest committed 3 years ago

bbd0f769

feat(data/finset/slice): More `finset.slice` and antichain lemmas (#11397)

YaelDillies committed 3 years ago

a90f9692

feat(data/sum/interval): The disjoint sum of two locally finite orders is locally finite (#11351)

YaelDillies committed 3 years ago

c72e709e

feat(algebra/roots_of_unity): basic constructor (#11504)

ericrbg committed 3 years ago

dbf59ba1

chore(algebra/algebra): algebra_map_int_eq (#11474)

ericrbg committed 3 years ago

7ddaf104

chore(algebra/order/sub): Generalize to `preorder` and `add_comm_semigroup` (#11463)

YaelDillies committed 3 years ago

4ad74aed

feat(analysis/normed/group/pointwise): the closed thickening of a compact set is the addition of a closed ball. (#11528)

sgouezel committed 3 years ago

1cfb97d5

feat(category_theory/bicategory/locally_discrete): define locally discrete bicategory (#11402)

yuma-mizuno committed 3 years ago

ff9b7574

feat(measure_theory/measure/measure_space): better definition of to_measurable (#11529)

sgouezel committed 3 years ago

6dd65257

feat(data/nat/factorization): add two convenience lemmas (#11543)

stuart-presnell committed 3 years ago

de53f9c4

feat(linear_algebra,algebra,group_theory): miscellaneous lemmas linking some additive monoid and module operations (#11525)

eric-wieser committed 3 years ago

5a1cbe36

feat(ring_theory/norm): add is_integral_norm (#11489)

riccardobrasca committed 3 years ago

a0ff65df

feat(ring_theory/graded_algebra/basic): add a helper for construction from an alg hom (#11541)

eric-wieser committed 3 years ago

6f23973a

feat(measure_theory): generalize `null_of_locally_null` to `outer_measure`, add versions (#11535)

urkud committed 3 years ago

496a744e

feat(topology/separation): add `t1_space_tfae` (#11534)

urkud committed 3 years ago

be9a5dec