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Ramsey sentence
Ramsey sentences are formal logical reconstructions of theoretical propositions
attempting to draw a line between science and metaphysics. A Ramsey sentence aims at rendering propositions containing non-observable (theoretical terms ) clear by substituting observable terms. They were introduced by the logical empiricist philosopher Rudolf Carnap.
==Distinction between scientific (real) questions and metaphysical (pseudo) questions==
For Carnap, questions such as: “Are electrons real?” and: “Can you prove electrons are real?” were not legitimate questions implying great philosophical/metaphysical import. They were meaningless "pseudo-questions without cognitive content,” asked from outside a language framework of science. Inside this framework, entities such as electrons or sound waves, and relations such as mass and force not only exist and have meaning, but are "useful" to the scientists who work with them. To accommodate such internal questions in a way that would justify their theoretical content
empirically – and to do so while maintaining a distinction between analytic and synthetic propositions – Carnap set out to develop a systematized way to consolidate theory and empirical observation in a meaningful language formula.
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