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@ -82,7 +82,7 @@ LemmaDoc even_square as even_square in "Nat"
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LemmaDoc mem_univ as mem_univ in "Set"
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"x ∈ @univ α"
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LemmaDoc not_mem_empty as not_mem_empty
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LemmaDoc not_mem_empty as not_mem_empty in "Set"
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""
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LemmaDoc empty_subset as empty_subset in "Set"
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