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Topic: Categories


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In the News (Mon 25 Mar 19)

  
  Categorization - Wikipedia, the free encyclopedia
The classical Aristotelian view that claims that categories are discrete entities characterized by a set of properties which are shared by their members.
A cognitive approach accepts the fact that natural categories tend to be fuzzy at their boundaries and inconsistent in the status of their constituent members.
Categories form part of a hierarchical structure when applied to such subjects as taxonomy in biological classification: higher level: life-form level, middle level: generic or genus level, and lower level: the species level.
en.wikipedia.org /wiki/Categorization   (395 words)

  
 Categories - Encyclopedia.WorldSearch   (Site not responding. Last check: 2007-10-22)
Categories is a word game in which players think of words that begin with specified letters and belong to specified semantic categories.
Categories is also a party game in which players think of instances of a specific category.
Typically a category is not chosen in advance, but is specified by the third player to speak after the first player has said "Categories" and the second player has said "such as...".
encyclopedia.worldsearch.com /categories.htm   (715 words)

  
 Categories
Thus, for example, presumably objects are the ontological correlates of the meaning category of nominative expressions, properties are the ontological correlates of adjectival expressions, and states of affairs are the ontological correlates of propositions.
Husserl's material categories, by contrast, classify entities according to their nature or essence, with the highest material genera to be arrived at by a process of generalization to the most general kind of content involved, rather than by the formalization that involves an emptying of all content (1913/1962, 65).
While formal and material category systems each form a hierarchy (1913/1962, 64), considered jointly their categories are not mutually exclusive, since one and the same entity may be categorized either in terms of its material nature or its form.
plato.stanford.edu /entries/categories   (5937 words)

  
 Wikipedia:Categories for deletion - Wikipedia, the free encyclopedia
Deletion of a category may mean that the articles and images in it are directly put in its parent category, or that another subdivision of the parent category is made.
Delete: (Categories in the form Category:Entertainers who died in their 30s etc; a list is under Category:Entertainers.) As the talk page for one of these categories put it, "Yet another completely useless category".
At the very least, I think categories of entertainers who died before 20 or 30, or who lived to be 90 or 100 should remain, since it is unusual to die that young or to live very old.
en.wikipedia.org /wiki/Categories_for_deletion   (4826 words)

  
 Orphaned Categories Encyclopedia Article, Description, History and Biography @ LocalColorArt.Encyclopedia.com   (Site not responding. Last check: 2007-10-22)
Categories that were created by mistake or which have been or should be merged into a more appropriate category should usually be deleted after they are empty.
Categories that have been de-orphaned and need to be populated with existing articles rather than deleted can be added to Category:Underpopulated categories.
Categories at the top of the list (high numbers) are likely to be needed, popular with readers, and probably just need to be categorized appropriately.
encyclopedia.localcolorart.com /encyclopedia/Category:Orphaned_categories   (931 words)

  
 20th WCP: Kant's Categories Reconsidered
This negative thesis suggests a positive one, namely, that categories should be argued for as necessary conditions of the possibility of a knowledge that is distinct from experience, viz., a priori knowledge.
So let this isomorphism between the categories and the logical functions of judgment be our clue toward discovering what must be done to make the premises given by the metaphysical deduction suitable for the transcendental deduction and its distinctive reliance on the transcendental unity of apperception.
As noted there, the categories are shown to be necessary for the possibility of experience only in a context in which the objects of possible experience are taken as appearances.
www.bu.edu /wcp/Papers/Mode/ModeGree.htm   (3207 words)

  
 Help:Category - Meta
Category tags may be placed anywhere in the article, although they are typically added to the end of the article to avoid undesirable text display side effects.
New categories can be created and edited in the same way as any other regular pageĀ¹, but when displayed, an automatically generated, alphabetical list of all pages in that category appears at the bottom.
Usually categories are applied in such a way that page A (hence, in particular, category A) is directly or indirectly a member of category B if and only if the set of information about A is a subset of the set of information about B. This would imply that categories form a directed acyclic graph.
meta.wikimedia.org /wiki/Help:Category   (4096 words)

  
 Categories
Categories are some of the most basic structures in mathematics.
The example to think of is the category in which the objects are sets and the morphisms are functions.
A functor F from a category C to a category D is a map from the set of objects of C to the set of objects of D together with a map from the set Hom(X,Y) for any objects X,Y of C to Hom(F(X),F(Y)).
math.ucr.edu /home/baez/categories.html   (2546 words)

  
 [No title]
Strictly speaking, only the things which I have mentioned belong to the category of quantity: everything else that is called quantitative is a quantity in a secondary sense.
We spoke, moreover, of the category of position when we were dealing with that of relation, and stated that such terms derived their names from those of the corresponding attitudes.
(i) Pairs of opposites which fall under the category of relation are explained by a reference of the one to the other, the reference being indicated by the preposition 'of' or by some other preposition.
classics.mit.edu /Aristotle/categories.mb.txt   (13236 words)

  
 Category - Wikipedia, the free encyclopedia
Category (mathematics), from category theory, a collection of mathematical objects of the same kind, together with the structure-preserving processes between them.
Categories (card game), a variant of the above, played with cards.
This is a disambiguation page: a list of articles associated with the same title.
en.wikipedia.org /wiki/Categories   (170 words)

  
 Understand Radio Categories
Categories are included in their introductory remarks about what they can be used for, and how they appear if you have set them up right, not how to enable them, create them, or populate them.
Categories have to be enabled, as a function that you can do on your Radio Weblog.
Changing Category Navigator Links talks about how the links on Category Pages, are by default a copy of the Home, but sometimes we might want something different.
radio.weblogs.com /0107846/stories/2002/08/18/understandRadioCategories.html   (3004 words)

  
 Categories Home Page
Category Theory 2000 The international summer conference in category theory was held at Villa Olmo, Como, Italy from Sunday 16th July to Saturday 22nd July 2000.
Category Theory Symposium The symposium was a special session of the Canadian Mathematical Society Summer 1998 Meeting June 13-15, 1998 at University of New Brunswick (Saint John) Saint John, New Brunswick, Canada and was part of a larger programme including plenary talks, one of which was given by S. Schanuel (SUNY Buffalo).
Category Theory at the Isle of Thorns was held from July 7 to 12, 1996.
www.mta.ca /~cat-dist/categories.html   (3545 words)

  
 2004 IUCN Red List – Categories and Criteria (version 2.3)
Since their introduction these categories have become widely recognised internationally, and they are now used in a whole range of publications and listings, produced by IUCN as well as by numerous governmental and non-governmental organizations.
However, it is important to recognise that this category indicates that data are inadequate to determine the degree of threat faced by a taxon, not necessarily that the taxon is poorly known.
The category of threat simply provides an assessment of the likelihood of extinction under current circumstances, whereas a system for assessing priorities for action will include numerous other factors concerning conservation action such as costs, logistics, chances of success, and even perhaps the taxonomic distinctiveness of the subject.
www.redlist.org /info/categories_criteria1994.html   (4673 words)

  
 IMA 2004 Summer Program: n-Categories: Foundations and Applications, June 7-18, 2004   (Site not responding. Last check: 2007-10-22)
Their focus was not on categories and functors, but on natural transformations, which are maps between functors.
In contrast to the introduction of categories, functors, and natural transformations, which could successfully be carried out by two authors in one paper, the development of higher category theory is technically very difficult mathematics.
We hope to develop a clear language of higher category theory that, like the original language of categories, functors, and natural transformations, can be accepted, understood, and worked with by mathematicians in general, whether algebraic geometers, logicians, algebraic topologists, mathematical physicists, or theoretical computer scientists.
www.ima.umn.edu /categories   (612 words)

  
 Centre de Recherche en Théorie des Catégories -- Montréal
Category Theory - an expository article from the Stanford Encyclopedia of Philosophy.
Category Theory for Computing Science (Ordering information for another classic text by M Barr and C Wells, the current version published by the CRM.)
On December 5th, 1997, a one-day symposium was held in honour of Joachim Lambek's 75th birthday: the program and some photos of that occasion may be found here.
www.math.mcgill.ca /triples   (453 words)

  
 ABC-Dir: Categories
There are categories for all age groups as well as couples categories.
The "Search Categories" are a mirror of ODP categories, though they don't acknowledge it.
The CIDOC Information Categories, a description of the information categories that can be used when developing records about the objects...
www.abc-directory.com /view/categories   (247 words)

  
 VRA Core version 3   (Site not responding. Last check: 2007-10-22)
The VRA Core Categories, Version 3.0 consist of a single element set that can be applied as many times as necessary to create records to describe works of visual culture as well as the images that document them.
The order of the categories in the VRA Core 3.0 is arbitrary, and local implementations are encouraged to determine their own field sequence that will appropriately describe their data.
We suggest that collections compile a list of data content vocabularies and authorities which are appropriate for use for each field in their local applications.
www.vraweb.org /vracore3.htm   (2974 words)

  
 week209
Here a "weak category" means a category where the usual laws hold only up to homotopy, where the homotopies satisfy laws of their own up to homotopy, ad infinitum.
Model categories are a wonderful framework for relating different approaches to homotopy theory, and a bunch of people hope they can also be used to relate different approaches to n-categories.
Category theorists will enjoy the generalization: since algebras are just one-object categories enriched over Vect, the concept of Azumaya algebra really wants to generalize to that of an Azumaya category.
math.ucr.edu /home/baez/week209.html   (4359 words)

  
 Categories of Free and Non-Free Software - GNU Project - Free Software Foundation (FSF)
Here is a glossary of various categories of software that are often mentioned in discussions of free software.
It explains which categories overlap or are part of other categories.
However, the differences in extension of the category are small: nearly all free software is open source, and nearly all open source software is free.
www.gnu.org /philosophy/categories.html   (2471 words)

  
 SPSS Categories | Statistics, Categorical Data, Perceptual Mapping   (Site not responding. Last check: 2007-10-22)
SPSS Categories provides you with all the tools you need to obtain clear insight into complex high-dimensional or categorical data.
SPSS Categories’ dimension reduction techniques enable you to clarify relationships in your data by using perceptual maps and biplots.
SPSS Categories is available in English, Japanese, French, German, Italian, Spanish, Chinese, Polish, Korean, and Russian.
www.spss.com /categories   (435 words)

  
 CDOLive - Outlook Custom Categories Forms
This will result in a custom categories list that always contain that ones stored in the folder and not that ones saved with the item.
This form lets you manage the custom categories in a hidden CDO 1.21 message inside the public folder you have chosen when you started the form from the folder picker.
If there are no custom categories the default set (hardcoded into the form) of categories is displayed.
www.cdolive.com /customcategories.htm   (646 words)

  
 hitormiss.org: Weighted Categories
If there are any categories you want to exclude from the list, put the category IDs in $category_ids_to_exclude.
For the latter, you specify 2 colors (in #xxxxxx or #xxx format), the first will determine the color of your category that has less posts will have and the second will determine the color of your category that has more posts.
You should keep positions into an bi-dimensionnal array so categories must be X pixels from another (for both top and left positions).
www.hitormiss.org /projects/weighted-categories   (1020 words)

  
 OLCat - Outlook Categories Management   (Site not responding. Last check: 2007-10-22)
Microsoft Outlook can be made much more useful by using categories to organise information such as contacts and emails, into groups, for example by creating a category for each customer.
The problem is that Outlook provides no way of allowing workgroups to share common lists of Master Categories, so a new Master Category created on one computer is not available on another.
OLCat (Outlook Category Management) fixes that problem by enabling a central list of categories to be maintained on a single computer.
www.olcat.com   (316 words)

  
 Puzzle Categories
In view of the varieties of taste, some preferring a mathematical, some a mechanical problem - one person a trial of skill, another an exercise of patience - it seemed desirable to have as many categories as possible.
Most of the puzzles in Puzzle World fall into the Put-Together, Take-apart, Interlocking or Impossible Object categories because this is where most of the high-quality handcrafting takes place.
The other categories will at least have one or more representative examples.
www.johnrausch.com /PuzzleWorld/cat/category.htm   (238 words)

  
 Mt. Molelog :: Categories Plugin 0+4i
the cache is flushed every time a story is added, not every time the timestamp of the latest file changes; if caching is enabled, the category list (usually) now shows all the categories even if a filtering plugin (such as a search system) has reduced the number of visible files.
.categories { list-style-type: none; }.categories ul { list-style-type: none; padding-left: 1ex; margin-left: 0; border-left: 1px dotted #cccccc; }
.categories { list-style-type: none; }.categories ul { list-style-type: none; padding-left: 1ex; border-left: 1px dotted #cccccc; }
molelog.molehill.org /blox/Computers/Internet/Web/Blosxom/Categories   (1210 words)

  
 Webby Awards
The categories are as follows, click on the category to see a full definition.
If you are unsure of which category or categories to select for your entry, consult the complete category definitions below.
This category includes sites that reflect a fresh perspective in thought and action strong enough to start a revolution, change a behavior pattern, or advance old thinking lodged in bad habits, or that are just plain weird.
www.webbyawards.com /webbys/categories.php   (1786 words)

  
 week73
A category is something just as abstract as a set, but a bit more structured.
So the category of all sets is "one-dimensional": it has both objects or "dots" and morphisms or "arrows between dots".
To study sets carefully we need categories, to study categories well we need 2-categories, to study 2-categories well we need 3-categories, and so on...
math.ucr.edu /home/baez/week73.html   (2116 words)

  
 Wikka: Using and Creating Categories
Example: To make "CategoryDocumentation" a subcategory of "Category Category", simply add the latter name (without the space) to the former page.
If you replace "Category Category" with "CategoryWiki", the "CategoryDocumentation" will be a subcategory of the latter one.
The main purpose of this category is to serve as a parent for your own categories.
wikka.jsnx.com /WikiCategory   (401 words)

  
 WordPress Wiki - wp_list_cats
children - boolean - 0 or 1; determines whether categories appear in one flat list (0), or a hierarchical list with subcategories indented under their parents (1).
This should be in the form of an array.
Usage: How to use tags that use the Query String style of passing parameters.
wiki.wordpress.org /wp_list_cats   (405 words)

  
 2004 IUCN Red List – Categories and Criteria
The revised Categories and Criteria (IUCN Red List Categories and Criteria version 3.1) were adopted by IUCN Council in February 2000 and all new assessments and reassessments of taxa on the IUCN Red List must follow this revised system.
To avoid confusion, all assessments using the 2001 Categories and Criteria are indicated by a ' ver 3.1 (2001) ' hyperlink, and all assessments using the 1994 Categories and Criteria are indicated by a ' ver 2.3 (1994) ' hyperlink.
Guidelines on how to use the IUCN Red List Categories and Criteria have been developed and an English pdf version of these can be downloaded from: http://www.iucn.org/themes/ssc/red-lists.htm.
www.redlist.org /info/categories_criteria.html   (368 words)

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