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Commit 2021-02-12 21:14 dd13f00a

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feat(data/set/intervals/basic): 24 lemmas about membership of arithmetic operations (#6202)

Estimated changes

Modified src/data/set/intervals/basic.lean

added theorem set.add_mem_Icc_iff_left

added theorem set.add_mem_Icc_iff_right

added theorem set.add_mem_Ico_iff_left

added theorem set.add_mem_Ico_iff_right

added theorem set.add_mem_Ioc_iff_left

added theorem set.add_mem_Ioc_iff_right

added theorem set.add_mem_Ioo_iff_left

added theorem set.add_mem_Ioo_iff_right

added theorem set.inv_mem_Icc_iff

added theorem set.inv_mem_Ico_iff

added theorem set.inv_mem_Ioc_iff

added theorem set.inv_mem_Ioo_iff

added theorem set.sub_mem_Icc_iff_left

added theorem set.sub_mem_Icc_iff_right

added theorem set.sub_mem_Ico_iff_left

added theorem set.sub_mem_Ico_iff_right

added theorem set.sub_mem_Ioc_iff_left

added theorem set.sub_mem_Ioc_iff_right

added theorem set.sub_mem_Ioo_iff_left

added theorem set.sub_mem_Ioo_iff_right