Commit 2023-03-24 13:23 0e24dac4

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feat: port LinearAlgebra.AffineSpace.AffineSubspace (#2923)

Estimated changes

added theorem AffineMap.lineMap_mem
added theorem AffineSubspace.bot_coe
added theorem AffineSubspace.coe_map
added theorem AffineSubspace.ext
added theorem AffineSubspace.ext_iff
added theorem AffineSubspace.inf_coe
added theorem AffineSubspace.le_def'
added theorem AffineSubspace.le_def
added theorem AffineSubspace.lt_def
added theorem AffineSubspace.map_bot
added theorem AffineSubspace.map_id
added theorem AffineSubspace.map_map
added theorem AffineSubspace.map_sup
added theorem AffineSubspace.mem_coe
added theorem AffineSubspace.mem_map
added theorem AffineSubspace.mem_top
added theorem AffineSubspace.mk'_eq
added theorem AffineSubspace.top_coe
added structure AffineSubspace
added def affineSpan
added theorem affineSpan_eq_bot
added theorem affineSpan_induction'
added theorem affineSpan_induction
added theorem affineSpan_le
added theorem affineSpan_mono
added theorem affineSpan_nonempty
added theorem bot_lt_affineSpan
added theorem coe_affineSpan
added theorem direction_affineSpan
added theorem mem_affineSpan
added theorem mem_spanPoints
added theorem mem_vectorSpan_pair
added def spanPoints
added theorem spanPoints_nonempty
added theorem subset_affineSpan
added theorem subset_spanPoints
added def vectorSpan
added theorem vectorSpan_def
added theorem vectorSpan_empty
added theorem vectorSpan_mono
added theorem vectorSpan_pair
added theorem vectorSpan_pair_rev
added theorem vectorSpan_singleton
added theorem vsub_mem_vectorSpan