Original sentence: Libertarianism is a philosophy based on the principle that individuals should be allowed complete freedom of action as long as they do not infringe on the same freedom of others
Edited sentence: Libertarianism' is a political philosophy (involving fundamental questions about the state, government, politics, property, law and the enforcement of a legal code by authority) that holds that individuals should be allowed complete freedom of action as long as they do not infringe on the same freedom of others