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In logical argument and mathematical proof, the therefore sign, ∴, is generally used before a logical consequence, such as the conclusion of a syllogism. The symbol consists of three dots placed in an upright triangle and is read therefore. While it is not generally used in formal writing, it is used in mathematics and shorthand.
The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics. Additionally, the subsequent columns contains an informal explanation, a short example, the Unicode location, the name for use in HTML documents, [1] and the LaTeX symbol.
The second is a link to the article that details that symbol, using its Unicode standard name or common alias. (Holding the mouse pointer on the hyperlink will pop up a summary of the symbol's function.); The third gives symbols listed elsewhere in the table that are similar to it in meaning or appearance, or that may be confused with it;
Leader (typography), may be represented with three dots or ellipses; The letter S in Morse code; Therefore sign (U+2234 ∴ THEREFORE), a shorthand form of the word "therefore" or "thus" * In Japanese maps, the same symbol (∴) indicates an historic site. U+20DB ⃛ COMBINING THREE DOTS ABOVE character is a combining diacritical mark for symbols.
The ellipsis (/ ə ˈ l ɪ p s ɪ s /, plural ellipses; from Ancient Greek: ἔλλειψις, élleipsis, lit. ' leave out ' [1]), rendered ..., alternatively described as suspension points [2]: 19 /dots, points [2]: 19 /periods of ellipsis, or ellipsis points, [2]: 19 or colloquially, dot-dot-dot, [3] [4] is a punctuation mark consisting of a series of three dots.
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
Three dots (∴) also known as "tripunctual abbreviation" or "triple dot" is a symbol used all over the world in Freemasonry for abbreviations, signatures, and symbolic representation. The dots are typically arranged in a triangular pattern and carry multiple layers of meaning within Masonic tradition. [ 1 ]
Shipping symbols [2] from ISO standard 780 "Pictorial marking for handling of goods" [3] or ASTM D5445 "Standard Practice for Pictorial Markings for Handling of Goods" [4] which depict shipping boxes as squares with rounded corners: "Fragile": the silhouette of a broken wine glass "This end up": a horizontal line with two arrows pointing up