|Comparisons, philosophy: here, we are concerned with the conditions under which it is possible to make comparisons. Objects which do not share any properties are not comparable. A comparison always refers to a singled out property among several properties embodied by more than one object. The prerequisite for comparisons is a consistency of language usage. See also analogies, description levels, steps, identification, identity, change, meaning change, ceteris paribus, experiments, observation._____________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.|
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Comparison/Possible world/Po.wo./Similarity/Similarity metric/Difference/Lewis: Two possible worlds never differ in only a fact; if at all, then there is immediately an infinite number of differences - Analysis 1: only one most similar world - LewisVs: E.g. Bizet/Verdi: two equally similar worlds: both French/Italian - the next (closest) world does not exist! - Analysis 2: several similar possible worlds - Solution: van Fraassen: Supervaluation: arbitrarily chosen next world.
Comparison/Counter comparison/Counterfactual conditional/Co.co./Triple indexing/Lewis: If my yacht had been longer, I would have been happier. - 2nd World j: my yacht is longer than in i (1st World) - 3) every additional world where both is true is closer than one where the yacht is longer, but I am still not happier. - (Always in relation to the 1st World i)._____________Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution.
Die Identität von Körper und Geist Frankfurt 1989
Konventionen Berlin 1975
Philosophical Papers Bd I New York Oxford 1983
Philosophical Papers Bd II New York Oxford 1986
Cl. I. Lewis
Mind and the World Order: Outline of a Theory of Knowledge (Dover Books on Western Philosophy) 1991