[Merged by Bors] - feat(Order/WellFoundedSet): minimal element of a nonempty set exists if < is well founded on the set#39777
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…stricted on the subtype is `WellFounded`
It is a lemma for
```lean
theorem wellFoundedLT_of_monotone_prod
{α β γ : Type*} [LinearOrder α] [LinearOrder β] [WellFoundedLT α] [WellFoundedLT β]
[PartialOrder γ] {f : α × β ≃ γ} (mono : Monotone f) : WellFoundedLT γ
```
PR summary 6d08d809d6Import changes for modified filesNo significant changes to the import graph Import changes for all files
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May 24, 2026 17:55
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Co-authored-by: Snir Broshi <26556598+SnirBroshi@users.noreply.github.com>
…ation restricted on the subtype is `WellFounded`" This reverts commit 21ca935.
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… if `<` is well founded on the set (#39777) There exists a inimal element in a nonempty set if `<` is well founded on the set.
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… if `<` is well founded on the set (leanprover-community#39777) There exists a inimal element in a nonempty set if `<` is well founded on the set.
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… if `<` is well founded on the set (leanprover-community#39777) There exists a inimal element in a nonempty set if `<` is well founded on the set.
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There exists a inimal element in a nonempty set if
<is well founded on the set.It was a lemmas for #39781, which has been closed since there would be a better proof.