Thought experiment/Duhem's fictitious experiment: has no foundation other than belief in the principle: what follows is a cirulus vitiosus.
Physics does not grow like geometry, while it continues to produce new theorems, which are proved once and for all, which it adds to already proven ones._____________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.
La théorie physique, son objet et sa structure, Paris 1906
Ziel und Struktur der physikalischen Theorien Hamburg 1998