English

Noun

1. the property of being proportional
2. the principle that government action ought to be proportional to the ends achieved (e.g. the military should not be deployed to stop petty vandalism)
3. the degree to which something is in proportion

• Proportionality (mathematics), the special mathematical relationships of direct and inverse proportion between two variables
• Proportionality (physics)
• Proportionality (law), a legal principle under municipal law in which the punishment of a certain crime should be in proportion to the severity of the crime itself, and under international law an important consideration when assessing the military necessity of an attack on a military objective
• Proportionality (political maxim), a maxim which states that any layer of government should not take any action that exceeds that which is necessary to achieve the objective of government

• Proportion (architecture) describes the relationships between elements of a design
• Body proportions, in art, are the study of relation of human body parts to each other and the whole
• Proportions, or geometric aspect ratio

• Proportional (fair division) means that each of n players thinks that they received 1/n of the cake.
• A proportional control system is a type of linear feedback control system
• Proportional representation in electoral systems
• Proportional fonts