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Definition 2024

⊊

⊊

⊊	U+228A, ⊊ (LaTeX: `\subsetneq`) SUBSET OF WITH NOT EQUAL TO

← ⊉
[U+2289]

Mathematical Operators

⊋ →
[U+228B]

Translingual

Symbol

⊊

proper subset

Usage notes

Some authors prefer to use this symbol instead of the more ambiguous ⊂