Willard Van Orman Quine

American philosopher and logician (1900–2000)

self-replicating program

thesis that it is impossible to test a scientific hypothesis in isolation, because such an empirical test of it requires other assumptions

algorithm

1951 philosophy article by Willard Van Orman Quine

axiomatic set theory permitting set comprehension by stratified formulae, hence with a universal set, but in which the singleton map 𝑥↦{𝑥} fails to exist

philosophical concept by W. V. Quine

philosophical view that no individual statement can be confirmed or disconfirmed by an empirical test, but only a set of statements (a whole theory)

collection of philosophic views concerned with the theory of knowledge that emphasize the role of natural scientific methods

theory in the philosophy of language that a certain part of language (e.g. a term, a complete sentence) can only be understood through its relations to a (previously understood) larger segment of language

analogy used in anti-foundational accounts of knowledge about the recursive nature of revising one's beliefs