[Merged by Bors] - feat(Topology/Instances/EReal/Lemmas): add lemmas about limsup and multiplication#21833
Closed
[Merged by Bors] - feat(Topology/Instances/EReal/Lemmas): add lemmas about limsup and multiplication#21833
Conversation
PR summary fd9b369243Import changes for modified filesNo significant changes to the import graph Import changes for all files
|
Contributor
|
bors r+ |
mathlib-bors bot
pushed a commit
that referenced
this pull request
Feb 22, 2025
…ltiplication (#21833) This PR adds lemmas about `liminf (u * v)` and `limsup (u * v)` in extended reals. See [this file](https://leanprover-community.github.io/mathlib4_docs/Mathlib/Topology/Algebra/Order/LiminfLimsup.html#limsup_mul_le) for similar results in the reals. The strategy is the same, with a bunch of auxiliary lemmas in [Data/Real/EReal](https://leanprover-community.github.io/mathlib4_docs/Mathlib/Data/Real/EReal). I also took this opportunity to do some moderate cleaning in [Data/Real/EReal](https://leanprover-community.github.io/mathlib4_docs/Mathlib/Data/Real/EReal): minor golfing and uniformization of variable names.
Contributor
|
Pull request successfully merged into master. Build succeeded: |
Julian
added a commit
that referenced
this pull request
Feb 22, 2025
* origin/master: chore(*): add `@[fun_prop]` (#22183) chore(RingTheory): generalize universes for `isUnramified_iff_map_eq` (#22185) chore(Algebra/GroupPower/IterateHom): move all lemmas earlier (#22132) feat(Probability): ae filter and integrability wrt a composition of kernel and measure (#22074) feat(CategoryTheory): forgetting the group structure on the codomain of left-exact functors (#21973) feat(CategoryTheory): embeddings for opposites of Grothendieck abelian categories (#22182) feat(CategoryTheory): `AsSmall C` is abelian (#22184) feat(CategoryTheory): explicit argument versions of `epi_comp` and `mono_comp` (#22181) feat(Topology/Instances/EReal/Lemmas): add lemmas about limsup and multiplication (#21833) feat: basic structural lemmas about finite crystallographic root pairings. (#21932) Rename `Mem𝓛p` to `MemLp` (#22164) feat(Logic/Equiv): Upgrade arrowProdEquivProdArrow to dependent types (#21518) feat(CategoryTheory): Grothendieck abelian categories have enough injectives (#20079) chore: deprecate Finite.cast_card_eq_mk (#22161) feat(CategoryTheory/Limits/Fubini): relax `HasLimits` hypotheses (#20570) chore(Algebra/Order/Monoid/Unbundled/WithTop): golf, clean up (#22109)
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
This PR adds lemmas about
liminf (u * v)andlimsup (u * v)in extended reals. See this file for similar results in the reals.The strategy is the same, with a bunch of auxiliary lemmas in Data/Real/EReal.
I also took this opportunity to do some moderate cleaning in Data/Real/EReal: minor golfing and uniformization of variable names.