⊆ ⊂的問題,透過圖書和論文來找解法和答案更準確安心。 我們找到下列問答集和資訊懶人包

另外網站Chapter 3 Set Theory也說明:That is, A is a proper subset of B when every element of A belongs to B (so A ⊆ B) and there is an element in B which is not in A (so A = B). Three common ways ...

最後網站q e b r u s則補充:༜°༜ ᓭᘳᓆ⊆⊂⊚⊃⊇ᓏᘰᓯ༜°༜. q e b r u s. 601. 4:28. 1y.

接下來讓我們看這些論文和書籍都說些什麼吧:

除了⊆ ⊂,大家也想知道這些: