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

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The discussion centers on the notation for "is a subset of" in LaTeX, highlighting the confusion between two symbols used for this purpose. One symbol is often interpreted as "is a proper subset of," but this interpretation is not universally accepted. The second symbol is commonly used to denote "is a subset of," while a diagonal slash through the horizontal line of the same symbol is used to indicate "is a proper subset of." There is a call for a universally accepted symbol to clearly denote "is a proper subset of," with the suggestion that the version with the diagonal slash, represented as ##\subsetneq##, is clear and widely accepted. The discussion emphasizes that while some notations may vary among mathematicians, clarity in communication is essential.
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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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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