The difference between ∈ and ⊂ - Mathematics Stack ...
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⊂ means "is a subset of." The left-hand side of ⊂ should be a set whose elements are also in the set on the right-hand side of ⊂. The set {−1,2} ... MathematicsStackExchangeisaquestionandanswersiteforpeoplestudyingmathatanylevelandprofessional
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- 1The difference between ∈ and ⊂ - Mathematics Stack ...
⊂ means "is a subset of." The left-hand side of ⊂ should be a set whose elements are also in the ...
- 2⊆ ⊂ ⊇ ⊃这些数学符号都是什么意思,有何区别?_学数学有什么 ...
记作：A ⊆ B 或B⊇ A ⊂意思：真子集（老教材是这样表示的,新版的⊃下有个不等号） 如果集合A是集合B的子集,但B中至少有一个元素不属于A, ...
- 3Subset of a Set - LearnAlberta.ca
The symbol "⊂" means "is a proper subset of". Example. Subset example. Since all of the members o...
- 4Set Symbols - Math is Fun
A ⊂ B, Proper Subset: every element of A is in B, but B has more elements. {3, 5} ⊂ D. A ⊄ B, Not...
- 5子集- 維基百科，自由的百科全書 - Wikipedia
也是一個很常見的符號，但其含義容易混淆。 有人用 ⊂ {\displaystyle \subset } \subset 和 ...
