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An example is boron carbide, whose formula of CB n is a variable non-whole number ratio, with n ranging from over 4 to more than 6.5. When the chemical compound of the formula consists of simple molecules , chemical formulas often employ ways to suggest the structure of the molecule.
A letter can be formal or informal, depending on its audience and purpose. Besides being a means of communication and a store of information, letter writing has played a role in the reproduction of writing as an art throughout history. [1] Letters have been sent since antiquity and are mentioned in the Iliad. [2]
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[12] [8] They may succeed in persuading the audience nonetheless due to being emotionally loaded (for example: by playing on prejudice, pity or fear). [26] Ad hominem arguments constitute an important class among the fallacies of relevance. In them, the arguer tries to attack a thesis by attacking the person pronouncing this thesis instead of ...
For example, oxygen is necessary for fire. But one cannot assume that everywhere there is oxygen, there is fire. A condition X is sufficient for Y if X, by itself, is enough to bring about Y. For example, riding the bus is a sufficient mode of transportation to get to work.
Logic studies arguments, which consist of a set of premises that leads to a conclusion. An example is the argument from the premises "it's Sunday" and "if it's Sunday then I don't have to work" leading to the conclusion "I don't have to work". [1] Premises and conclusions express propositions or claims that can be true or false. An important ...
Examples of expository essays are: a medical or biological condition, social or technological process, life or character of a famous person. The writing of an expository essay often consists of the following steps: organizing thoughts ( brainstorming ), researching a topic, developing a thesis statement , writing the introduction, writing the ...
In logic, mathematics, computer science, and linguistics, a formal language consists of words whose letters are taken from an alphabet and are well-formed according to a specific set of rules called a formal grammar. The alphabet of a formal language consists of symbols, letters, or tokens that concatenate into strings called words. [1]