Karl Popper

Austrian-British philosopher of science and social and política e falsificationism and for criticism of Plato, Hegel and Marx as totalitarian opponents of open society (1902-1994)

University in Vienna and Budapest

thumb|upright=1.3|alt=Pair of black swans swimming|Here are two black swans, but even with no black swans, "All swans are white" would still be shown falsifiable by "Here is a black swan"—it would still be a valid observation statement in the empirical language, even if empirically false.

logical paradox in decision-making theory

epistemological philosophy advanced by Karl Popper

epistemological question of whether inductive reasoning leads to definitive knowledge understood in the classic philosophical sense

In philosophy, verisimilitude (or truthlikeness) is the notion that some propositions are closer to being true than other propositions. The problem of verisimilitude is the problem of articulating what it takes for one false theory to be closer to the truth than another false theory.

Austrian inventor, social reformer and author (1838–1921)

division of reality into World 1 (states and processes of the external world), World 2 (mental states and processes) and World 3 (products of thought considered as objects in their own right)

experiment proposed by Karl Popper to put to the test different interpretations of quantum mechanics