Economics Dictionary of ArgumentsHome
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| Forces: A. In physics, a force is an influence that can change an object's velocity, i.e., to accelerate. Forces are vector quantities, meaning they have both magnitude and direction. - B. In philosophy the discussion ist often about the assertive force. Gottlob Frege argued that assertive force is an essential part of the meaning of a sentence, but that it is distinct from the truth conditions of the sentence. The truth conditions of a sentence determine whether it is true or false, while the assertive force determines what the speaker is doing by uttering the sentence. See also Truth conditions, Meaning, Assertions, Speech acts._____________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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David Marr on Forces - Dictionary of Arguments
Gärdenfors I 147 Forces/Movement/Marr/Vaina/Gärdenfors: Marr and Vaina (1982)(1) and Vaina (1983)(2) (Extension of the Cylinder Model of Marr & Nishihara, 1978)(3): for the analysis of acts: I 148 Actions/Marr/Vaina: differential equations are used to describe the movements of the cylinder models. These are applied individually to the movements of the body parts. (See also Vaina & Bennour, 1985)(4). Problem: the cognitive apparatus is not designed for Newtonian forces. Yet: Action/Representation/Gärdenfors: Thesis: an action is represented by the force patterns, which it produces. >Actions, >Forces, >Cognition, >Seeing/Marr, >Information Processing. 1. D. Marr and Lucia Vaina (1982). Representation and recognition of the movements of shapes. Proc. R. Soc. Lond. B.214: 501–524. https://doi.org/10.1098/rspb.1982.0024 2. Lucia Vaina (1983). From shapes and movements to objects and actions. Synthese 54 (January):3-36 3. Marr D. and Nishihara H. K. (1978). Representation and recognition of the spatial organization of three-dimensional shapes. Proc. R. Soc. Lond. B.200: 269–294. https://doi.org/10.1098/rspb.1978.0020 4. Lucia Vaina and Youcef Bennour (1985). A Computational Approach to Visual Recognition of Arm Movements. https://doi.org/10.2466/pms.1985.60.1.203_____________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. Translations: Dictionary of Arguments The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition. |
Marr I David Marr Vision: A Computational Investigation into the Human Representation and Processing of Visual Information Cambridge Gä I P. Gärdenfors The Geometry of Meaning Cambridge 2014 |
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