Radical skepticism (or radical scepticism in
British English
British English is the set of Variety (linguistics), varieties of the English language native to the United Kingdom, especially Great Britain. More narrowly, it can refer specifically to the English language in England, or, more broadly, to ...
) is the
philosophical position that
knowledge
Knowledge is an Declarative knowledge, awareness of facts, a Knowledge by acquaintance, familiarity with individuals and situations, or a Procedural knowledge, practical skill. Knowledge of facts, also called propositional knowledge, is oft ...
is most likely impossible. Radical skeptics hold that doubt exists as to the veracity of every
belief
A belief is a subjective Attitude (psychology), attitude that something is truth, true or a State of affairs (philosophy), state of affairs is the case. A subjective attitude is a mental state of having some Life stance, stance, take, or opinion ...
and that certainty is therefore never justified. To determine the extent to which it is possible to respond to radical skeptical challenges is the task of
epistemology
Epistemology is the branch of philosophy that examines the nature, origin, and limits of knowledge. Also called "the theory of knowledge", it explores different types of knowledge, such as propositional knowledge about facts, practical knowle ...
or "the theory of knowledge".
See also
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Pyrrhonism
Pyrrhonism is an Ancient Greek school of philosophical skepticism which rejects dogma and advocates the suspension of judgement over the truth of all beliefs. It was founded by Aenesidemus in the first century BCE, and said to have been inspired ...
*
Cratylism
*
Epistemological nihilism
*
Nihilism
Nihilism () encompasses various views that reject certain aspects of existence. There have been different nihilist positions, including the views that Existential nihilism, life is meaningless, that Moral nihilism, moral values are baseless, and ...
*
Skepticism
Skepticism ( US) or scepticism ( UK) is a questioning attitude or doubt toward knowledge claims that are seen as mere belief or dogma. For example, if a person is skeptical about claims made by their government about an ongoing war then the p ...
*
Ajñana
''Ajñāna'' (, (Vedic) IPA: /ɐd͡ʑ.ɲɑː.nɐ/; (Classical) IPA: /ɐd͡ʑˈɲɑː.n̪ɐ/) was one of the Āstika and nāstika, ''nāstika'' or "heterodox" schools of Hindu philosophy, ancient Indian philosophy, and the ancient school of rad ...
References
Leavitt, Fred (2021) If Ignorance is Bliss We Should All be Ecstatic. Open Books
;Notes
The Epistemology Page
{{DEFAULTSORT:Radical Skepticism
Philosophical skepticism