[Merged by Bors] - feat(Algebra/Free): add length_pos lemma for free magmas #11783
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frederic-marbach
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This adds a `length_pos` lemma for multiplicative and additive free magmas. Indeed, it sometimes happens in proofs that we need to know that the length of any element is indeed strictly positive.
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Louddy
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This adds a `length_pos` lemma for multiplicative and additive free magmas. Indeed, it sometimes happens in proofs that we need to know that the length of any element is indeed strictly positive.
atarnoam
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This adds a `length_pos` lemma for multiplicative and additive free magmas. Indeed, it sometimes happens in proofs that we need to know that the length of any element is indeed strictly positive.
uniwuni
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This adds a `length_pos` lemma for multiplicative and additive free magmas. Indeed, it sometimes happens in proofs that we need to know that the length of any element is indeed strictly positive.
callesonne
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Apr 22, 2024
This adds a `length_pos` lemma for multiplicative and additive free magmas. Indeed, it sometimes happens in proofs that we need to know that the length of any element is indeed strictly positive.
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This adds a
length_poslemma for multiplicative and additive free magmas.Indeed, it sometimes happens in proofs that we need to know that the length of any element is indeed strictly positive.