What is the universally accepted symbol for indicating a proper subset in LaTeX?

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In summary, the page on LaTeX discusses two symbols for "is a subset of." The first one is sometimes used to mean "is a proper subset of", but this is not a universally accepted notation. The second symbol is commonly used to indicate "is a subset of", and the notation for "is a proper subset of" is achieved by adding a diagonal slash through the horizontal line. However, there is a need for a universally accepted symbol to clearly indicate "is a proper subset of." Suggestions for this symbol are welcome in this subforum, but it should be noted that mathematicians may still choose to use alternative symbols.
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Ben2
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The page on LaTeX includes two symbols for "is a subset of." The first (on the left) is used by some to mean "is a proper subset of." But that notation is not universal.
Those who commonly use the second symbol (on the right) to indicate "is a subset of", often indicate "is a proper subset of" using the same symbol with a diagonal slash through the horizontal line.
To me there needs to be some universally accepted symbol to unambiguously indicate "is a proper subset of."
 
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  • #2
This subforum is for suggestions about the forum, not suggestions about how mathematicians write something.

The version with the slash is unambiguous, and everyone will accept it if you use it: ##\subsetneq##
You can't stop mathematicians from using other symbols if they want to.
 
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1. What is a proper subset?

A proper subset is a subset that contains fewer elements than the original set. In other words, all the elements in a proper subset can also be found in the original set, but the proper subset does not contain all the elements of the original set.

2. How is a proper subset represented in notation?

A proper subset is represented using the notation A ⊂ B, where A is the subset and B is the original set. The symbol ⊂ means "is a proper subset of."

3. What is the difference between a proper subset and a subset?

A subset is a set that contains all the elements of another set, including the possibility of being equal to the other set. A proper subset, on the other hand, must have fewer elements than the original set, making it a strict subset.

4. Can a set be a proper subset of itself?

No, a set cannot be a proper subset of itself. A proper subset must have fewer elements than the original set, so if the set is the same as the original set, it is not a proper subset.

5. What is the relationship between a proper subset and a superset?

A proper subset is a subset of a set that is also a superset of the same set. In other words, a proper subset is a subset of a set that contains all the elements of the subset, and the superset contains at least one additional element that is not in the subset.

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