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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". Russian has a verb иметь imet' meaning "have", but it is less commonly used than the former method.
A cleft sentence is a complex sentence (one having a main clause and a dependent clause) that has a meaning that could be expressed by a simple sentence. Clefts typically put a particular constituent into focus. In spoken language, this focusing is often accompanied by a special intonation. In English, a cleft sentence can be constructed as ...
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 .
The existential quantifier ∃ is often used in logic to express existence.. Existence is the state of having being or reality in contrast to nonexistence and nonbeing.Existence is often contrasted with essence: the essence of an entity is its essential features or qualities, which can be understood even if one does not know whether the entity exists.
A famous example for lexical ambiguity is the following sentence: "Wenn hinter Fliegen Fliegen fliegen, fliegen Fliegen Fliegen hinterher.", meaning "When flies fly behind flies, then flies fly in pursuit of flies." [40] [circular reference] It takes advantage of some German nouns and corresponding verbs being homonymous. While not noticeable ...
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.
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 ...
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 ...