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  "body": "\n## Summary\n\nIn mathematics, a filter on a set $X$ informally gives a notion of which [[subsets|0BJR9QR08E]] $A \\subseteq X$ are \"large\". **Filter quantifiers** are a type of logical quantifier which, informally, say whether or not a statement is true for \"most\" elements of $X.$ Such quantifiers are often used in [[combinatorics|0JKW7W7XFR]], model theory (such as when dealing with ultraproducts), and in other fields of mathematical logic where (ultra)filters are used.\n",
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