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On 5 April 2021, the "Logic" article first two paragraphs looked like this: Logic (from Greek : λογική, logikḗ , 'possessed of reason , intellectual , dialectical , argumentative ') is the systematic study of valid rules of inference , i.e. the relations that lead to the acceptance of one proposition (the conclusion ) on the basis of a ...
The word "logic" originates from the Greek word logos, which has a variety of translations, such as reason, discourse, or language. [4] Logic is traditionally defined as the study of the laws of thought or correct reasoning, [5] and is usually understood in terms of inferences or arguments. Reasoning is the activity of drawing inferences.
A logical fallacy involving the use of a word with more than one meaning throughout an argument, leading to a misleading or unsound conclusion. erotetic logic The logic of questions, including the study of the forms and principles of questions and their relationships to answers. Eubulides paradox
Logical, rational or general grammar was the dominant approach to language until it was supplanted by romanticism. [3] Since then, there have been attempts to revive logical grammar. The idea is today at least partially represented by categorial grammar , formal semantics , and transcendental phenomenology ,
A paragraph (from Ancient Greek παράγραφος (parágraphos) 'to write beside') is a self-contained unit of discourse in writing dealing with a particular point or idea. Though not required by the orthographic conventions of any language with a writing system, paragraphs are a conventional means of organizing extended segments of prose.
propositional logic, Boolean algebra, Heyting algebra: is false when A is true and B is false but true otherwise. may mean the same as (the symbol may also indicate the domain and codomain of a function; see table of mathematical symbols).
This word refers to an underground room, vault or chamber. It's typically located underneath a church and is used for burial purposes. OK, that's it for hints—I don't want to totally give it ...
A logical argument, seen as an ordered set of sentences, has a logical form that derives from the form of its constituent sentences; the logical form of an argument is sometimes called argument form. [6] Some authors only define logical form with respect to whole arguments, as the schemata or inferential structure of the argument. [7]