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[Merged by Bors] - feat: drop an unneeded field of StarOrderedRing #5639

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@urkud urkud commented Jul 1, 2023

In StarOrderedRing.ofLeIff, the assumption
h_add : ∀ {x y}, x ≤ y → ∀ z, z + x ≤ z + y follows from the other one.


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In `StarOrderedRing.ofLeIff`, the assumption
`h_add : ∀ {x y}, x ≤ y → ∀ z, z + x ≤ z + y` follows from the other one.
@urkud urkud added awaiting-review The author would like community review of the PR new-feature labels Jul 1, 2023
@urkud urkud requested a review from j-loreaux July 1, 2023 02:22
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Great! Thanks for removing this hypothesis.

maintainer merge

I have edited this PR now and it needs another reviewer. Sorry!

Mathlib/Algebra/Star/Order.lean Outdated Show resolved Hide resolved
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github-actions bot commented Jul 1, 2023

🚀 Pull request has been placed on the maintainer queue by j-loreaux.

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github-actions bot commented Jul 1, 2023

🚀 Pull request has been placed on the maintainer queue by j-loreaux.

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actually, please wait on this, I realized that this means StarOrderedRing doesn't even need one of its fields.

@j-loreaux j-loreaux changed the title feat: drop an unneeded assumption feat: drop an unneeded field of StarOrderedRing Jul 1, 2023
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dupuisf commented Jul 2, 2023

Very nice, thanks!

bors r+

@github-actions github-actions bot added ready-to-merge This PR has been sent to bors. and removed awaiting-review The author would like community review of the PR labels Jul 2, 2023
bors bot pushed a commit that referenced this pull request Jul 2, 2023
In `StarOrderedRing.ofLeIff`, the assumption
`h_add : ∀ {x y}, x ≤ y → ∀ z, z + x ≤ z + y` follows from the other one.



Co-authored-by: Jireh Loreaux <loreaujy@gmail.com>
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bors bot commented Jul 2, 2023

Pull request successfully merged into master.

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@bors bors bot changed the title feat: drop an unneeded field of StarOrderedRing [Merged by Bors] - feat: drop an unneeded field of StarOrderedRing Jul 2, 2023
@bors bors bot closed this Jul 2, 2023
@bors bors bot deleted the YK-star-ord-ring branch July 2, 2023 05:47
kbuzzard pushed a commit that referenced this pull request Jul 6, 2023
In `StarOrderedRing.ofLeIff`, the assumption
`h_add : ∀ {x y}, x ≤ y → ∀ z, z + x ≤ z + y` follows from the other one.



Co-authored-by: Jireh Loreaux <loreaujy@gmail.com>
semorrison pushed a commit that referenced this pull request Aug 14, 2023
In `StarOrderedRing.ofLeIff`, the assumption
`h_add : ∀ {x y}, x ≤ y → ∀ z, z + x ≤ z + y` follows from the other one.



Co-authored-by: Jireh Loreaux <loreaujy@gmail.com>
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3 participants