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{{Short description|American research engineer (1908–1987)}} |birth_date = 14 October 1908 ...

{{for|the B-property in finite group theory|B-theorem}} ...tition ''X'' into two disjoint subsets ''Y'' and ''Z'' such that every set in ''C'' meets both ''Y'' and ''Z''. ...

{{Short description|Technique of writing with the hand}} ...plement|implements]]. The various generic and formal historical styles of writing are called "[[Hand (handwriting)|hands]]" while an individual's style of pe ...

...normal letters could be sent for one [[penny]]. Five such schemes existed in the United Kingdom while the United States initiated at least three such si ...1840 by George Brumell |author= George Brumell |publisher= first published in 1938, second edition published by Alcock and Holland |access-date= 17 June ...

...y first-order theories not based on sets. The urelements are not essential in that other mathematical structures can be defined as sets, and it is permis * ι is a [[definite description]] operator and binds a variable. (In Potter's notation the iota symbol is inverted.) ...

{{Infobox writing system |status=a few Tironian symbols are still in modern use ...

{{Short description|Structure of the Japanese writing system}} {{About|the modern writing system and its history|an overview of the entire language|Japanese language ...

...The runes continue in use today in [[Western esotericism|esotericism]] and in [[Germanic neopaganism]]. ...h state of temporary blindness after a [[cataract]] operation on both eyes in 1902. ...

...g service''', '''clipping service''', or a '''clipping bureau''', as known in earlier times, provides clients with copies of media content, which is of s ...o late-19th century; the various types of media now available proliferated in the 20th century, with the development of [[radio]], [[television]], the [[ ...

...ia|date=19 December 2000|url=http://www.thesikhencyclopedia.com/literature-in-the-singh-sabha-movement/rana-surat-singh|access-date=17 August 2013}}</ref ...|archive-url=https://web.archive.org/web/20130510095705/http://www.mha.nic.in/pdfs/LST-PDAWD.pdf|archive-date=10 May 2013|url-status=dead}}</ref>}} ...

...Ukrainian text or [[pronunciation]] for non-Ukrainian readers, on computer systems that cannot reproduce Cyrillic characters, or for typists who are not famil In contrast to romanization, there have been several historical proposals for ...

|mi={{IPAc-cmn|zh|ang|1|-|b|ing|3|l|in|2}} ...ske2008">{{cite book|author=Elisabeth Kaske|title=The Politics of Language in Chinese Education: 1895 – 1919|url=https://books.google.com/books?id=okhrBB ...

...alpis|A. flavipalpis]]'' on web with [[Web decoration|stabilimentum]]<br />in [[Ghana]] | image2 = Writing Spider catches butterfly.jpg ...

[[File:Junge Frau mit Taubenpost.jpg|thumb|Young lady in oriental clothing with a [[homing pigeon]] (19th century painting)]] ...igeons have also been used to great effect in military situations, and are in this case referred to as [[war pigeon]]s.<ref name="Clarke-1933">{{cite jou ...

...Carrère and Hastings, architects. Photographed during late construction in 1908.]] ...ough Hastings practiced alone after Carrère died in an automobile accident in 1911. ...

{{Japanese writing}} ...ya}}'' in the more systematic ''[[Nihon-shiki]]'' and ''[[Kunrei-shiki]]'' systems). ...

{{Short description|Device for transmitting messages in written form by electrical signals}} ...teTeletype.jpg|thumb|[[Teletype Corporation|Teletype]] teleprinters in use in England during [[World War II]]|alt=|250x250px]] ...

{{short description|Writing implement with nib and internal ink reservoir}} [[File:Fountain pen writing (literacy).jpg|thumb|Close-up of traditional fountain pen with an [[iridium ...

..., 425, 426, 428.</ref> and continued to develop the method until his death in 1914. They include both a separate graphical notation for logical statement ...so to speak" (Zeman 1964, page 21, quoted from the online edition)</ref> – in the terminology of his theory of signs: a system of iconic signs that resem ...

[[Image:OHP-sch.JPG|thumb|right|Overhead projector in operation during a classroom lesson]] ...and [[lens]] assembly above it (hence, "overhead"). They were widely used in education and business before the advent of [[video projector]]s. ...