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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.
In Kantian philosophy, the thing-in-itself (German: Ding an sich) is the status of objects as they are, independent of representation and observation. The concept of the thing-in-itself was introduced by the German philosopher Immanuel Kant, and over the following centuries was met with controversy among later philosophers. [1]
It is not universally accepted that there is a clear boundary between metaphysics and ontology. Some philosophers use both terms as synonyms. [11] The etymology of the word ontology traces back to the ancient Greek terms ὄντως (ontos, meaning ' being ') and λογία (logia, meaning ' study of '), literally, ' the study of being '.
The other opinion about death is that it is oblivion, the complete cessation of consciousness, not only unable to feel but a complete lack of awareness, like a person in a deep, dreamless sleep. Socrates says that even this oblivion does not frighten him very much, because while he would be unaware, he would correspondingly be free from any ...
"Simply because you do not have evidence that something exists does not mean that you have evidence that it doesn't exist." [7] [b] The aphorism "No news is good news". [8] The usefulness of this as a heuristic may vary by context. Carl Sagan explains in his book The Demon-Haunted World:
Solipsism (/ ˈ s ɒ l ɪ p s ɪ z əm / ⓘ SOLL-ip-siz-əm; from Latin solus 'alone' and ipse 'self') [1] is the philosophical idea that only one's mind is sure to exist. As an epistemological position, solipsism holds that knowledge of anything outside one's own mind is unsure; the external world and other minds cannot be known and might not exist outside the mind.
A nihilist is a man who judges of the world as it is that it ought not to be, and of the world as it ought to be that it does not exist. According to this view, our existence (action, suffering, willing, feeling) has no meaning: the pathos of 'in vain' is the nihilists' pathos – at the same time, as pathos, an inconsistency on the part of the ...
Existentialism is a family of philosophical views and inquiry that study existence from the individual's perspective and explore the human struggle to lead an authentic life despite the apparent absurdity or incomprehensibility of the universe.