| Symmetries: Symmetry is an expression for the invariance of properties that are subjected to transformation such as mirroring, rotation, or displacement or repetition. Applied to theories and systems, the presence of symmetries makes greater simplicity possible._____________Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments. |
