The word "theory" has a number of distinct meanings in different fields of knowledge, depending on the context and their methodologies. In common usage, people use the word "theory" to signify "conjecture", "speculation", or "opinion." In this sense, "theories" are opposed to "facts" — parts of the world, or claims about the world, that are real or true regardless of what people think.
In science, a theory is a proposed description, explanation, or model of the manner of interaction of a set of natural phenomena, capable of predicting future occurrences or observations of the same kind, and capable of being tested through experiment or otherwise falsified through empirical observation. It follows from this that for scientists "theory" and "fact" do not necessarily stand in opposition. For example, it is a fact that an apple dropped on earth has been observed to fall towards the center of the planet, and the theory which explains why the apple behaves so is the current theory of gravitation.
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Human Rights and Liberties :: Issues
Rights :: R
Natural Law :: Legal Theory

Utopian Analysis; A Science of Ethics and Aesthetics - One person's answers to most of the social problems of our day, based on true ideals such as personal liberty or reciprocity.
Meta Description: [ A breakthrough in philosophy offers an end to ideology and a solution to the philosophical problems of good, ought, and beautiful, without making the naturalistic fallacy. ]
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