Sum rule may refer to:
- Sum rule in differentiation
- Sum rule in integration
- Rule of sum, a counting principle in combinatorics
- The sum rule in probability theory follows directly from the probability axioms
- Sum rule in quantum mechanics
Famous quotes containing the words sum and/or rule:
“Society does not consist of individuals but expresses the sum of interrelations, the relations within which these individuals stand.”
—Karl Marx (1818–1883)
“Let the amelioration in our laws of property proceed from the concession of the rich, not from the grasping of the poor. Let us understand that the equitable rule is, that no one should take more than his share, let him be ever so rich.”
—Ralph Waldo Emerson (1803–1882)