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In linear logic, the question mark denotes one of the exponential modalities that control weakening and contraction. When placed above the relational symbol in an equation or inequality, a question-mark annotation means that the stated relation is "questioned".
The upside-down (also inverted, turned or rotated) question mark¿ and exclamation mark¡ are punctuation marks used to begin interrogative and exclamatory sentences or clauses in Spanish and some languages that have cultural ties with Spain, such as Asturian and Waray. [ 1 ] The initial marks are mirrored at the end of the sentence or clause ...
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters.
The question comma has a comma instead of the dot at the bottom of a question mark, while the exclamation comma has a comma in place of the point at the bottom of an exclamation mark. These were intended for use as question and exclamation marks within a sentence, a function for which normal question and exclamation marks can also be used, but ...
), is an unconventional punctuation mark intended to combine the functions of the question mark (also known as the interrogative point) [3] and the exclamation mark (also known in the jargon of printers and programmers as a "bang"). The glyph is a ligature of these two marks [4] and was first proposed in 1962 by Martin K. Speckter. [5]
In the 1580s, English printer Henry Denham invented a "rhetorical question mark" (βΈ®) for use at the end of a rhetorical question; however, it fell out of use in the 17th century. It was the reverse of an ordinary question mark, so that instead of the main opening pointing back into the sentence, it opened away from it. [7]
Betteridge's law of headlines. Betteridge's law of headlines is an adage that states: "Any headline that ends in a question mark can be answered by the word no." It is named after Ian Betteridge, a British technology journalist who wrote about it in 2009, although the principle is much older. [1][2] It is based on the assumption that if the ...
Question. A question mark made of smaller question marks. A question is an utterance which serves as a request for information. Questions are sometimes distinguished from interrogatives, which are the grammatical forms, typically used to express them. Rhetorical questions, for instance, are interrogative in form but may not be considered bona ...