Complementarities during all kindsof chem. Molecular Diversity Preservation International, Basel, Switz. Meeting Abstract written in English. Symmetry is in principle ugly because it is assocd. It is therefore closely related to distinguishability or similarity.
Life is beautiful but full of asymmetry.
It has certain symmetry for stability reasons. It has been shown by the history of chem. Meeting Abstract written in English. Abstract For representing a quadrivalent center of carbon atom, thesolid wedge, broken wedge, broken line, solid bar, and broken bar and theircombinations have been used, which may cause confusion and ambiguity. Thehistorical background of this situation will be given.