Philosophy Lexicon of Arguments

 
Strength of theories, philosophy: theories and systems can be compared in terms of their strength. With increasing expressiveness of a system, e.g. the possibility that statements refer to themselves, however, grows the risk of paradoxes. Strength and expressiveness do not always go hand in hand. Thus, e.g. the modal logical system S5, which is stronger than the system S4, is unable to establish a unique temporal order. Aspects of strength and weakness are inter alia the set of derivable sentences, or the size of the subject area of a theory or system. See also theories, systems, modal logic, axioms, axiom systems, expansion, mitigation, areas.

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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.

 
Author Item Excerpt Meta data

 
Books on Amazon
I 114
Weakening/ Attenuation / Law / Logic / Conditional / Fraassen: 1st A > B - 2nd A and C > B - on the other hand everyday language: here no weakening: E.g. ...if the match would have been additionally immersed in water... - (tacit ceteris paribus condition) - (weakening / ((s): what follows from n premises follows also from n +1 premises) - applies in logic, but not in everyday language.


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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.

Fr I
B. van Fraassen
The Scientific Image Oxford 1980


> Counter arguments against Fraassen

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Ed. Martin Schulz, access date 2017-09-20