[Merged by Bors] - chore: Miscellaneous lemmas#3213
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YaelDillies wants to merge 6 commits intomasterfrom
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[Merged by Bors] - chore: Miscellaneous lemmas#3213YaelDillies wants to merge 6 commits intomasterfrom
YaelDillies wants to merge 6 commits intomasterfrom
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eric-wieser
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Apr 1, 2023
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| theorem WithTop.supₛ_eq [Preorder α] [SupSet α] {s : Set (WithTop α)} (hs : ⊤ ∉ s) | ||
| (hs' : BddAbove ((↑) ⁻¹' s : Set α)) : supₛ s = ↑(supₛ ((↑) ⁻¹' s) : α) := | ||
| (if_neg hs).trans $ if_pos hs' |
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mathport seems to declare that <| is more idiomatic than $; probably best in future just to leave it.
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eric-wieser
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Apr 1, 2023
YaelDillies
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Apr 1, 2023
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Pull request successfully merged into master. Build succeeded:
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MonadMaverick
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MonadMaverick
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Match leanprover-community/mathlib3#18677