Proportionality
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(Redirected from Proportionality (disambiguation))
The word proportionality may have one of a number of meanings:
- In mathematics and in physics, proportionality is a special mathematical relationship between two quantities. In physics, proportionality is also a unified theory of matter and energy. In mathematics, a proportion can be represented as a fraction, decimal number, or percent.
- In problems of fair division, proportional means that each of <math>n</math> players thinks that he or she received at least <math>1/n</math> of the cake.
- Within law, the principle of proportionality is used to describe the idea that the punishment of a certain crime should be in proportion to the severity of the crime itself.
- In politics and political science, proportionality is a maxim in some theories of governance, including the constitution of the European Union.
- In politics, proportional representation is a democratic electoral system.
- In organic chemistry, proportionality means that having the correct correspondence between related parts or quantities.
- In art, body proportions are the study of relation of human body parts to each other and the whole, essential for depiction of human figure.
- In architecture, proportion describes the relationships between elements of a design, often controlled by complex proportional systems.
- In typography, a proportional font is a font whose glyphs are displayed using varying widths.
- Proportionality is one of the conditions for a Just War.
- Proportionality may also refer to a proportional control system, a type of linear feedback control system.
