= On Certainty
{wiki=On_Certainty}
"On Certainty" is a philosophical work by Ludwig Wittgenstein, composed in the latter part of his life and published posthumously in 1969. It consists of a series of remarks that explore the nature of certainty, belief, doubt, and the foundations of knowledge. The text responds to a variety of issues related to epistemology, particularly the question of how we can possess certain kinds of knowledge without needing further justification or evidence.
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