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See also: ǁ [U+01C1 LATIN LETTER LATERAL CLICK],
‖ [U+2016 DOUBLE VERTICAL LINE],
‖ ‖,
∥ [U+2225 PARALLEL TO], and ⏸ [U+23F8 DOUBLE VERTICAL BAR]
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- (mathematics) Marks absolute value.
- |-3| = 3
- The absolute value of minus three is three.
- For x = (1,1), and y = (4,5), |x – y| = √([1–4]2 + [1–5]2) = 5
- For x equals one, one and y equals four, five, the absolute value of the quantity x minus y is the square root of (open parentheses) the quantity one minus four squared plus the quantity one minus five squared (close parentheses) or five.
- (mathematics) Marks determinants.
- |A|
- The determinant of the matrix A
- (mathematics) Marks the operation of finding the cardinality of a set.
- Synonyms: #, card
-
- The set three, five, seven, and nine has a cardinality of four.
- (mathematics) Notes the number of connected components.
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- (linguistics) Encloses morphophonemic transcription.
- Synonyms: ⫽ ⫽, ‖ ‖, { }
- (linguistics) Encloses diaphonemic transcription.
- Synonyms: \ \, ⫽ ⫽, ! !
- Coordinate terms: / /, [ ], ⟨ ⟩, ⸢ ⸣