Assertion: symbol | /r/HasAspect | lower case epsilon
Facets:
value: for an arbitrarily small positive number
type: OTHER
Source sentences:
text: Many symbols have traditional uses, such as lower case epsilon (ε) for an arbitrarily small positive number, lower case pi (π) for the ratio of the circumference of a circle to its diameter, capital sigma (Σ) for summation, and lower case sigma (σ) for standard deviation.