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A website (also written as a web site) is a collection of web pages and related content that is identified by a common domain name and published on at least one web server. Websites are typically dedicated to a particular topic or purpose, such as news, education, commerce, entertainment, or social media.
The World Wide Web (WWW or simply the Web) is an information system that enables content sharing over the Internet through user-friendly ways meant to appeal to users beyond IT specialists and hobbyists. [1] It allows documents and other web resources to be accessed over the Internet according to specific rules of the Hypertext Transfer ...
In HTML and XML, a numeric character reference refers to a character by its Universal Character Set / Unicode code point, and uses the format: &#xhhhh; or. &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form. The hhhh (or nnnn) may be any number of ...
A Uniform Resource Identifier ( URI ), formerly Universal Resource Identifier, is a unique sequence of characters that identifies an abstract or physical resource, [ 1] such as resources on a webpage, mail address, phone number, [ 2] books, real-world objects such as people and places, concepts. [ 3] URIs are used to identify anything described ...
Glossary of mathematical symbols. 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 ...
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.
A web page is a structured document. The core element is a text file written in the HyperText Markup Language (HTML). This specifies the content of the page, [ 3] including images and video . Cascading Style Sheets (CSS) specify the presentation of the page. [ 3] CSS rules can be in separate text files or embedded within the HTML file.
propositional logic, Boolean algebra, first-order logic. ⊥ {\displaystyle \bot } denotes a proposition that is always false. The symbol ⊥ may also refer to perpendicular lines. The proposition. ⊥ ∧ P {\displaystyle \bot \wedge P} is always false since at least one of the two is unconditionally false. ∀.