Fundamental Laws/Genz: the Fermatian principle (the shortest time, refractive index) is not a fundamental law.
But it can be a model for fundamental laws.
Principle/Genz: from today's point of view, the fundamental laws of nature can be deduced without exception from the demand that a function called the effect of base variables is as small as possible.
Problem: to find out the base parameters and their function._____________Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. The note [Author1]Vs[Author2] or [Author]Vs[term] is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition.
Gedankenexperimente Weinheim 1999
Wie die Naturgesetze Wirklichkeit schaffen. Über Physik und Realität München 2002