speilbildesammenlignbare
Speilbildesammenlbare is a neologism used in German-language discussions of symmetry and comparability. It combines spiegelbild (mirror image) with zusammenlbare (comparable) and denotes objects, datasets, or concepts that can be meaningfully compared when their mirror image is taken into account. The core idea is that a comparison should be invariant under a reflection transformation; thus two items are speilbildesammenlbare if either the items themselves are comparable under a given criterion, or their mirror images are, and the comparison holds consistently between corresponding forms.
In formal terms, one can model a reflection r acting on a set X, and say that
Applications of the concept appear in areas where symmetry plays a role in evaluation and categorization. In
See also: symmetry, mirror image, reflection, invariance, equivalence relation.