[Merged by Bors] - add minimum_of_length_pos_mem #7974
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eric-wieser
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Oct 27, 2023
eric-wieser
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Oct 27, 2023
Mathlib/Data/List/MinMax.lean
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| simp only [coe_maximum_of_length_pos] | ||
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| theorem minimum_of_length_pos_mem (h : 0 < l.length) : | ||
| minimum_of_length_pos h ∈ l := by |
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As a final trick; you should be able to prove this using the (α := αᵒᵈ) trick the minimum lemmas in the rest of the file use
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Thanks! it is done.
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bors r+ |
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bors r+ |
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add `minimum_of_length_pos_mem` to `Mathlib/Data/List` Co-authored-by: Eric Wieser <wieser.eric@gmail.com>
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add `minimum_of_length_pos_mem` to `Mathlib/Data/List` Co-authored-by: Eric Wieser <wieser.eric@gmail.com>
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minimum_of_length_pos_memtoMathlib/Data/ListCo-authored-by: Eric Wieser wieser.eric@gmail.com