Superposition

A superposition is a linear combination. It can also refer to:

Mathematics and physics

The superposition principle of linear differential equations (LDEs), that a linear combination of solutions to an LDE is itself another solution
- Superposition theorem for electric circuits
- Dalton's law of partial pressures, superposition in fluid mechanics
- Quantum superposition, in quantum physics
Proof by superposition, a proof technique in Euclidean geometry
The Kolmogorov–Arnold superposition theorem, representing a multivariate function as a superposition of univariate functions
Superposition calculus, used in logic for equational first-order reasoning

Parallel voting, a mixture of two electoral systems
In chemistry, a property of two structures that have the same chirality^{[clarification needed]}
Law of superposition in geology and archaeology, which states that sedimentary layers are deposited in a time sequence, with the oldest on the bottom and the youngest on the top