[數撚圍爐區] 數海無涯, 回頭是岸 (20)
數學白痴
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Consider a linear transformation T and closed sets A and B that are path-connected with respect to ker(T). Then,
T(A ∩ B) = TA ∩ TB if and only if A ∪ B is path-connected with respect to ker(T ).
想問下點解搵唔到union版 想用個 result（如果exist)
T(A ∩ B) = TA ∩ TB if and only if A ∪ B is path-connected with respect to ker(T ).
想問下點解搵唔到union版 想用個 result（如果exist)
做乜9，union唔駛任何condition都成立
