|Simplicity philosophy: is not definable. E.g. One could try to define the simplicity of an object by the fact that the subject requires the shortest description. This is bound to fail, because the symbols used in the description in turn may refer to complex entities. See also unity, complexity, descriptions.|
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Simplicity/Chomsky: mathematics has no concept of the "easiness" of a calculation - therefore one needs an optimal computational procedure.
Chomsky refers to choice between grammars, not between theories - E of G would be empirically like a physical constant.
Aspekte der Syntaxtheorie Frankfurt 1978
Language and Mind Cambridge 2006