The relationship between causes and effects
Causality, from → causal + -ity.
Bonârmandi, from bonâr→ cause + -mand suffix denoting relation, affinity + -i noun forming suffix.
Fr.: principe de causalité
The principle that cause must always precede effect.
principle of relativistic causality
parvaz-e bonârmandi-ye bâzânigi-mand
Fr.: principe de la causalité relativiste
One consequence of the theory of → special relativity, according to which no two events separated by a distance greater than their separation in time multiplied by the → speed of light may have a → causal influence on each other. Violation of this principle leads to → paradoxes, such as that of an → effect preceding its → cause.