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Extreme metaphysical nihilism, also sometimes called ontological nihilism, is the position that nothing actually exists at all. [103] [104] The American Heritage Medical Dictionary defines one form of nihilism as "An extreme form of skepticism that denies all existence". [105] A similar skepticism concerning the concrete world can be found in ...
Existential nihilism is the philosophical theory that life has no objective meaning or purpose. [1] The inherent meaninglessness of life is largely explored in the philosophical school of existentialism , where one can potentially create their own subjective "meaning" or "purpose".
A delusion [a] is a false fixed belief that is not amenable to change in light of conflicting evidence. [2] As a pathology, it is distinct from a belief based on false or incomplete information, confabulation, dogma, illusion, hallucination, or some other misleading effects of perception, as individuals with those beliefs are able to change or readjust their beliefs upon reviewing the evidence.
Metaphysical nihilism is the philosophical theory that there might have been no objects at all—that is, that there is a possible world in which there are no objects at all; or at least that there might have been no concrete objects at all, so that even if every possible world contains some objects, there is at least one that contains only abstract objects.
Cotard's syndrome, also known as Cotard's delusion or walking corpse syndrome, is a rare mental disorder in which the affected person holds the delusional belief that they are dead, do not exist, are putrefying, or have lost their blood or internal organs. [1]
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.
Existential nihilism is the philosophical theory that life has no inherent meaning whatsoever, and that humanity, both in an individual sense and in a collective sense, has no purpose. That is to say: while objects have the capacity for purpose or meaning, there is no universal truth that guides this individual purpose.
Pamela Health and Jon Klimo write that this concept is mostly associated with religious skepticism, secular humanism, nihilism, agnosticism, and atheism. [3] According to most modern neuroscience theories of consciousness, the brain is the basis of subjective experience, agency, self-awareness, and awareness of the surrounding natural world.