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[Merged by Bors] - feat(order/order_iso_nat): generalize well_founded.monotone_chain_condition to preorders#15073
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[Merged by Bors] - feat(order/order_iso_nat): generalize well_founded.monotone_chain_condition to preorders#15073
well_founded.monotone_chain_condition to preorders#15073Conversation
This was referenced Jun 30, 2022
Vierkantor
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Jul 12, 2022
| @[simp] | ||
| lemma nat_lt_apply {f : ℕ → α} {H : ∀ n : ℕ, r (f n) (f (n + 1))} {n : ℕ} : | ||
| nat_lt f H n = f n := | ||
| lemma nat_lt_apply {f : ℕ → α} {H : ∀ n : ℕ, r (f n) (f (n + 1))} {n : ℕ} : nat_lt f H n = f n := |
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To be honest, I preferred the previous version because it doesn't cram so much onto one line. But I don't care enough either way to refuse to merge this, you can decide.
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…ndition` to preorders (#15073) We also clean up the spacing throughout the file.
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well_founded.monotone_chain_condition to preorderswell_founded.monotone_chain_condition to preorders
joelriou
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Jul 23, 2022
…ndition` to preorders (#15073) We also clean up the spacing throughout the file.
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We also clean up the spacing throughout the file.