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In some languages, linguistic possession (in a broad sense) is indicated by existential clauses, rather than by a verb like have. For example, in Russian, "I have a friend" can be expressed by the sentence у меня есть друг u menya yest' drug, literally "at me there is a friend".
Existential generalization / instantiation In predicate logic , existential generalization [ 1 ] [ 2 ] (also known as existential introduction , ∃I ) is a valid rule of inference that allows one to move from a specific statement, or one instance, to a quantified generalized statement, or existential proposition .
Existentialism is a movement within continental philosophy that developed in the late 19th and 20th centuries. As a loose philosophical school, some persons associated with existentialism explicitly rejected the label (e.g. Martin Heidegger ), and others are not remembered primarily as philosophers, but as writers ( Fyodor Dostoyevsky ) or ...
The existential theory of the reals is the fragment of the first-order theory consisting of sentences in which all the quantifiers are existential and they appear before any of the other symbols. That is, it is the set of all true sentences of the form ∃ X 1 ⋯ ∃ X n F ( X 1 , … , X n ) , {\displaystyle \exists X_{1}\cdots \exists X_{n ...
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Meaning is not given, and must be achieved. With objects—say, a knife, for example—there is some creator who conceives of an idea or purpose of an object, and then creates it with the essence of the object already present. The essence of what the knife will be exists before the actual knife itself.
In linguistics, information structure, also called information packaging, describes the way in which information is formally packaged within a sentence. [1] This generally includes only those aspects of information that "respond to the temporary state of the addressee's mind", and excludes other aspects of linguistic information such as references to background (encyclopedic/common) knowledge ...
In the existential fallacy, one presupposes that a class has members when one is not supposed to do so; i.e., when one should not assume existential import. Not to be confused with the 'Affirming the consequent', as in "If A, then B. B. Therefore A". One example would be: "Every unicorn has a horn on its forehead". It does not imply that there ...