Changes

An ''[[element]]'' or [[component]] or part is a kind of principle, which can always be a material cause; sometimes a final cause or end or an efficient cause or means; but never a formal cause (because the [[form]] into which a thing is caused to be must be a unity unless understood to be divisible, in which case the form is not the essential form of the thing, and the [[dividend]]s are able to be considered separately with their own set of other causes.

An ''[[element]]'' or [[component]] or part is a kind of principle, which can always be a material cause; sometimes a final cause or end or an efficient cause or means; but never a formal cause (because the [[form]] into which a thing is caused to be must be a unity unless understood to be divisible, in which case the form is not the essential form of the thing, and the [[dividend]]s are able to be considered separately with their own set of other causes.

So there is a kind of hierarchy of the senses of principle, cause and element.

So there is a kind of hierarchy of the ideas of principle, cause and element.

Principles can be divided along three primary dimensions: principles of reality, moral principles and logical principles.

Principles can be divided along three primary dimensions: principles of reality, moral principles and logical principles.