精选优质文档-倾情为你奉上General:Reflexive PropertyA quantity is congruent (equal) to itself. a = a Symmetric PropertyIf a = b, then b = a.Transitive PropertyIf a = b and b = c, then a = c.Addition PostulateIf equal quantities are added to equal quantities, the sums are equal.Subtraction PostulateIf equal quantities are subtracted from equal quantities, the differences are equal.Multiplication PostulateIf equal quantities are multiplied by equal quantities, the products are eq
