[Merged by Bors] - feat(data/list/*): Miscellaneous lemmas #13577
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YaelDillies
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| end, chain_of_pairwise⟩ | ||
| ⟨chain.pairwise tr, pairwise.chain⟩ | ||
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| protected lemma chain.sublist [is_trans α R] (hl : l₂.chain R a) (h : l₁ <+ l₂) : l₁.chain R a := |
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Do we have any convention about (h : transitive R) vs [is_trans α R]?
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Not that I know of, unfortunately...
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My understanding was the is_trans was introduced as part of the "The big algebra typeclass refactor" that never happened.
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Thanks 🎉 bors merge |
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A few lemmas about `list.chain`, `list.pairwise`. Also rename `list.chain_of_pairwise` to `list.pairwise.chain` for dot notation.
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A few lemmas about
list.chain,list.pairwise. Also renamelist.chain_of_pairwisetolist.pairwise.chainfor dot notation.