Mass terms: mass terms are expressions relating to substances in which the same expression may also be applied to parts of the substance, e.g. water, gold, air. A part of a piece of iron is again iron. In contrast, a part of a human being is not a human being. _____________Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments. |