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[Merged by Bors] - feat(tactic/positivity): Extension for ite#17650

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YaelDillies wants to merge 2 commits intomasterfrom
positivity_ite
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[Merged by Bors] - feat(tactic/positivity): Extension for ite#17650
YaelDillies wants to merge 2 commits intomasterfrom
positivity_ite

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@YaelDillies
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@YaelDillies YaelDillies commented Nov 20, 2022

Add positivity_ite, an extension for ite.


Requested by @b-mehta

Match leanprover-community/mathlib4#2273

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@YaelDillies YaelDillies requested a review from a team as a code owner November 20, 2022 19:05
@YaelDillies YaelDillies added awaiting-review The author would like community review of the PR t-meta Tactics, attributes or user commands t-order Order hierarchy t-algebra Algebra (groups, rings, fields etc) labels Nov 20, 2022
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digama0 commented Nov 21, 2022

Hi @YaelDillies , now seems like a perfect time to mention that since the positivity tactic is already ported, we should get in the habit of creating matching PRs for mathlib4 here as well. cc: @semorrison

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Sorry, I tried understanding what was going on on the mathlib4 side of things but the new meta code completely opaque to me. I cannot even find the counterpart to positivity_min.

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digama0 commented Dec 4, 2022

positivity_min hasn't been done yet.

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Ah then can this be merged now and taken care of on the mathlib4 side later? I can't write the Lean 4 equivalent myself, and this is meta code after all.

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Just opened a matching mathlib4 PR, but I didn't to get the extension there working.

bors bot pushed a commit to leanprover-community/mathlib4 that referenced this pull request Jun 30, 2023
Match leanprover-community/mathlib3#17650



Co-authored-by: David Renshaw <dwrenshaw@gmail.com>
kbuzzard pushed a commit to leanprover-community/mathlib4 that referenced this pull request Jul 6, 2023
Match leanprover-community/mathlib3#17650



Co-authored-by: David Renshaw <dwrenshaw@gmail.com>
@eric-wieser eric-wieser added the not-too-late This PR was ready at the point mathlib3 was frozen: we will try to merge it and port it to mathlib4 label Jul 15, 2023
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Bump here. I still need it in mathlib.

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I don't expect there to be any issues here, but I'm going to merge master to be sure.

@j-loreaux j-loreaux added the awaiting-CI The author would like to see what CI has to say before doing more work. label Jul 26, 2023
@github-actions github-actions bot removed the awaiting-CI The author would like to see what CI has to say before doing more work. label Jul 27, 2023
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kim-em commented Jul 28, 2023

bors merge

@github-actions github-actions bot added ready-to-merge All that is left is for bors to build and merge this PR. (Remember you need to say `bors r+`.) and removed awaiting-review The author would like community review of the PR labels Jul 28, 2023
bors bot pushed a commit that referenced this pull request Jul 28, 2023
Add `positivity_ite`, an extension for `ite`.



Co-authored-by: Jireh Loreaux <loreaujy@gmail.com>
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bors bot commented Jul 28, 2023

Pull request successfully merged into master.

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@bors bors bot changed the title feat(tactic/positivity): Extension for ite [Merged by Bors] - feat(tactic/positivity): Extension for ite Jul 28, 2023
@bors bors bot closed this Jul 28, 2023
@bors bors bot deleted the positivity_ite branch July 28, 2023 10:11
kim-em pushed a commit to leanprover-community/mathlib4 that referenced this pull request Aug 14, 2023
Match leanprover-community/mathlib3#17650



Co-authored-by: David Renshaw <dwrenshaw@gmail.com>
chenjulang added a commit to chenjulang/mathlib that referenced this pull request May 11, 2024
* commit '65a1391a0106c9204fe45bc73a039f056558cb83': (12443 commits)
  feat(data/{list,multiset,finset}/*): `attach` and `filter` lemmas (leanprover-community#18087)
  feat(combinatorics/simple_graph): More clique lemmas (leanprover-community#19203)
  feat(measure_theory/order/upper_lower): Order-connected sets in `ℝⁿ` are measurable (leanprover-community#16976)
  move old README.md to OLD_README.md
  doc: Add a warning mentioning Lean 4 to the readme (leanprover-community#19243)
  feat(topology/metric_space): diameter of pointwise zero and addition (leanprover-community#19028)
  feat(topology/algebra/order/liminf_limsup): Eventual boundedness of neighborhoods (leanprover-community#18629)
  feat(probability/independence): Independence of singletons (leanprover-community#18506)
  feat(combinatorics/set_family/ahlswede_zhang): Ahlswede-Zhang identity, part I (leanprover-community#18612)
  feat(data/finset/lattice): `sup'`/`inf'` lemmas (leanprover-community#18989)
  chore(order/liminf_limsup): Generalise and move lemmas (leanprover-community#18628)
  feat(algebraic_topology/dold_kan): The Dold-Kan equivalence for abelian categories (leanprover-community#17926)
  feat(data/sum/interval): The lexicographic sum of two locally finite orders is locally finite (leanprover-community#11352)
  feat(analysis/convex/proj_Icc): Extending convex functions (leanprover-community#18797)
  feat(algebraic_topology/dold_kan): The Dold-Kan equivalence for pseudoabelian categories (leanprover-community#17925)
  feat(measure_theory/measure/haar_quotient): the Unfolding Trick (leanprover-community#18863)
  feat(linear_algebra/orientation): add `orientation.reindex` (leanprover-community#19236)
  feat(combinatorics/quiver/covering): Definition of coverings and unique lifting of paths (leanprover-community#17828)
  feat(set_theory/game/pgame): small sets of pre-games / games / surreals are bounded (leanprover-community#15260)
  feat(tactic/positivity): Extension for `ite` (leanprover-community#17650)
  ...

# Conflicts:
#	README.md
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not-too-late This PR was ready at the point mathlib3 was frozen: we will try to merge it and port it to mathlib4 ready-to-merge All that is left is for bors to build and merge this PR. (Remember you need to say `bors r+`.) t-algebra Algebra (groups, rings, fields etc) t-meta Tactics, attributes or user commands t-order Order hierarchy

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5 participants