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19. Language / A. Nature of Meaning / 5. Meaning as Verification

[meaning is tied to observation and verification]

36 ideas
Non-positivist verificationism says only take a hypothesis seriously if it is scientifically based and testable [Ladyman/Ross on Peirce]
Unverifiable propositions about the remote past are still either true or false [Russell]
Russell started philosophy of language, by declaring some plausible sentences to be meaningless [Russell, by Hart,WD]
Every understood proposition is composed of constituents with which we are acquainted [Russell]
Intuitonists in mathematics worried about unjustified assertion, as well as contradiction [Brouwer, by George/Velleman]
The meaning of a proposition is the mode of its verification [Wittgenstein]
Asking about verification is only one way of asking about the meaning of a proposition [Wittgenstein]
You can't believe it if you can't imagine a verification for it [Wittgenstein]
Good philosophy asserts science, and demonstrates the meaninglessness of metaphysics [Wittgenstein]
A statement is meaningful if observation statements can be deduced from it [Ayer]
Directly verifiable statements must entail at least one new observation statement [Ayer]
The principle of verification is not an empirical hypothesis, but a definition [Ayer]
A sentence is factually significant to someone if they know how to verify its proposition [Ayer]
Factual propositions imply (in conjunction with a few other premises) possible experiences [Ayer]
Tautologies and empirical hypotheses form the entire class of significant propositions [Ayer]
A justificationist theory of meaning leads to the rejection of classical logic [Dummett]
Verificationism could be realist, if we imagined the verification by a superhuman power [Dummett]
If truths about the past depend on memories and current evidence, the past will change [Dummett]
Verification is not an individual but a collective activity [Dummett]
The verification principle itself seems neither analytic nor verifiable [Cooper,DE]
I can meaningfully speculate that humans may have experiences currently impossible for us [Cooper,DE]
Verificationism (the 'verification principle') is an earlier form of anti-realism [Dancy,J]
Logical positivism implies foundationalism, by dividing weak from strong verifications [Dancy,J]
Verificationism about concepts means you can't deny a theory, because you can't have the concept [Papineau]
Many different verification procedures can reach 'star', but it only has one semantic value [Fodor]
Verificationists tend to infer indefinite answers from undecidable questions [Papineau]
A milder claim is that understanding requires some evidence of that understanding [Wright,C]
For behaviourists language is just a special kind of behaviour [Kirk,R]
Perhaps logical positivism showed that there is no dividing line between science and metaphysics [Lockwood]
A one hour gap in time might be indirectly verified, but then almost anything could be [Rey]
Logical positivists adopted an If-thenist version of logicism about numbers [Musgrave]
Meaning must be known before we can consider verification [Lycan]
Verificationism was attacked by the deniers of the analytic-synthetic distinction, needed for 'facts' [O'Grady]
The negation of a meaningful sentence must itself be meaningful [Sorensen]
We accept unverifiable propositions because of simplicity, utility, explanation and plausibility [Melia]
Verificationism is better if it says meaningfulness needs concepts grounded in the senses [Jenkins]