### Some articles on *metric, theory, metric theory*:

Alternatives To General Relativity - Classification of Theories

... of least action, a variational principle based on the concept of action) a Lagrangian density a

... of least action, a variational principle based on the concept of action) a Lagrangian density a

**metric**If a**theory**has a Lagrangian density for gravity, say, then the ... Almost every**theory**described in this article has an action ... A**theory**of gravity is a "**metric theory**" if and only if it can be given a mathematical representation in which two conditions hold Condition 1 There exists a symmetric**metric**...Alternatives To General Relativity - Theories From 1917 To The 1980s - Non-metric Theories

... See also Einstein-Cartan

... See also Einstein-Cartan

**theory**and Cartan connection Cartan's**theory**is particularly interesting both because it is a non-**metric theory**and because it is so old ... The status of Cartan's**theory**is uncertain ... Will (1981) claims that all non-**metric**theories are eliminated by Einstein's Equivalence Principle (EEP) ...### Famous quotes containing the word theory:

“every subjective phenomenon is essentially connected with a single point of view, and it seems inevitable that an objective, physical *theory* will abandon that point of view.”

—Thomas Nagel (b. 1938)

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