syllogism of whysylowsylow groupsylow subgroupsylow theoremsylvestersylvester criterionsylvester lawsymbolsymbol of a pseudodifferential operatorsymbolicsymbolic designationsymbolic formsymbolic formualsymbolic languagesymbolic logicsymboliclysymchronicsymmetricsymmetric about the originsymmetric algebrasymmetric bilinear formsymmetric configurationsymmetric coordinatessymmetric differencesymmetric distributionsymmetric equationsymmetric formsymmetric functionsymmetric groupsymmetric group of degree nsymmetric lawsymmetric matrixsymmetric neighbourhoodsymmetric pointssymmetric polynomialsymmetric quadratic formsymmetric random walksymmetric rationalsymmetric rational functionsymmetric relationsymmetric riemannian spacesymmetric rootsymmetric spacesymmetric tensorsymmetric transformationsymmetricalsymmetrical differencesymmetrical figuressymmetrical matrix