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In group theory, a word is any written product of group elements and their inverses. For example, if x, y and z are elements of a group G, then xy, z −1 xzz and y −1 zxx −1 yz −1 are words in the set {x, y, z}. Two different words may evaluate to the same value in G, [1] or even in every group. [2]
While the word problem asks whether two terms containing constants are equal, a proper extension of the word problem known as the unification problem asks whether two terms , containing variables have instances that are equal, or in other words whether the equation = has any solutions. As a common example, + =? + is a word problem in the ...
Yet another example of grouping the data is the use of some commonly used numerical values, which are in fact "names" we assign to the categories. For example, let us look at the age distribution of the students in a class. The students may be 10 years old, 11 years old or 12 years old. These are the age groups, 10, 11, and 12.
The word problem is in fact solvable for many groups . For example, polycyclic groups have solvable word problems since the normal form of an arbitrary word in a polycyclic presentation is readily computable; other algorithms for groups may, in suitable circumstances, also solve the word problem, see the Todd–Coxeter algorithm [8] and the ...
Cluster analysis is for example used to identify groups of schools or students with similar properties. Typologies From poll data, projects such as those undertaken by the Pew Research Center use cluster analysis to discern typologies of opinions, habits, and demographics that may be useful in politics and marketing.
Word Association is a common word game involving an exchange of words that are associated together. The game is based on the noun phrase word association, meaning "stimulation of an associative pattern by a word" [1] or "the connection and production of other words in response to a given word, done spontaneously as a game, creative technique, or in a psychiatric evaluation".
AOL Mail lists your emails together in a single thread, making it easier to follow the flow of the conversation. This feature can help you to quickly locate specific emails and reduce clutter in your inbox. Use the collapse icon or expand icon to view the messages in the conversation thread. Turn conversations on or off
Lipogram: a writing in which certain letter is missing Univocalic: a type of poetry that uses only one vowel; Palindrome: a word or phrase that reads the same in either direction; Pangram: a sentence which uses every letter of the alphabet at least once; Tautogram: a phrase or sentence in which every word starts with the same letter