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Verificationism
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Verificationism, also known as the verification principle or the verifiability criterion of meaning, is a doctrine in philosophy which asserts that a statement is cognitively meaningful only if it is
Ludwig Wittgenstein, whose Tractatus Logico-Philosophicus was influential on the logical positivists and on the verificationist doctrine
Ludwig Wittgenstein, whose Tractatus Logico-Philosophicus was influential on the logical positivists and on the verificationist doctrine
Moritz Schlick, the central figure of the Vienna Circle, the group whose logical positivism was the context in which the verificationist criterion was
Moritz Schlick, the central figure of the Vienna Circle, the group whose logical positivism was the context in which the verificationist criterion was first systematized
Martin Heidegger, whose metaphysical sentences were targeted by the logical positivists as insignificant
Martin Heidegger, whose metaphysical sentences were targeted by the logical positivists as insignificant
Otto Neurath, who led the turn toward physicalist bases from earlier Machian phenomenalist bases
Otto Neurath, who led the turn toward physicalist bases from earlier Machian phenomenalist bases
Falsifiability
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Falsifiability is a standard of evaluation of scientific statements, including theories and hypotheses. A statement is falsifiable if it belongs to a language or logical structure capable of describin
Verificationism
…standard, rendering the doctrine self-defeating. On the basis of these concerns, Popper rejected verifiability as a criterion of meaning and proposed falsifiability instead as a criterion for the demarcation of scientific from non-scientific statements. On his view, scientific theories are characteristically…
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 stil
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.
Clyde Cowan conducting the neutrino experiment (1956)
Clyde Cowan conducting the neutrino experiment (1956)
A black-bodied and white-bodied peppered moth
A black-bodied and white-bodied peppered moth
Guido Reni Michael Defeats Satan
Guido Reni Michael Defeats Satan