Concept

Ramsey–Lewis method

Résumé
The Ramsey–Lewis method is a method for defining terms found in theoretical frameworks (such as in scientific theories), credited to Frank P. Ramsey and David Lewis. By using this method, a set of theoretical terms appearing in a theory can be defined implicitly by the assertions of the theory itself. Overview A scientific theory which attempts to describe "electrons" is inherently abstract, as no one has ever observed an electron directly. Thus, the origin and content of the concept of "electron" is questionable. What does the word exactly signify? Ramsey and Lewis proposed that the meaning of the term "electron" is implicitly generated by the scientific theory that describes it, via all its assertions about electrons. Electrons are those things about which all the statements of the theory are true. However, some of those statements in a theory refer to other unobserved entities and properties such as "charge" or "spin". For instance, "Electrons attract protons" and "Elect
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