Srinivasan, Radhakrishnan (2003) Comment on "On the logical consistency of special relativity theory and nonEuclidean geometries: Platonism versus formalism". [Preprint]

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Abstract
As observed in the PhilSci preprint ID Code 1255 [1], consistency in the author's proposed nonAristotelian finitary logic (NAFL) demands that Euclid's fifth postulate must necessarily be provable from the first four, and that diagrammatic reasoning with Euclidean concepts must necessarily be admitted into the rules of inference for plane neutral geometry in order to argue for the said provability. Two important consequences, namely, the indispensable role of diagrams as formal objects of Euclidean geometry in NAFL and the resulting NAFL concept of `line' as an infinite proper class of line segments are highlighted and elaborated upon. A misleading comment in Remark 6 of [1], regarding negation for undecidable propositions in the theory of special relativity (SR), is corrected. This comment is unrelated to the main argument in [1] and the resulting analysis reinforces the conclusions of [1] that negation and implication are problematic concepts for undecidable propositions in SR.
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Commentary on:  Srinivasan, Radhakrishnan (2003) On the logical consistency of special relativity theory and nonEuclidean geometries: Platonism versus formalism. [Preprint]  
Keywords:  special theory of relativity, undecidable propositions, relativistic determinism, relativity of simultaneity, consistency, inconsistency, Euclidean geometry, Euclid's fifth postulate, classical logic, nonAristotelian finitary logic, Platonism, formalism, nonconstructive existence, decidability, diagrammatic reasoning  
Subjects:  Specific Sciences > Mathematics Specific Sciences > Physics > Relativity Theory General Issues > Determinism/Indeterminism 

Depositing User:  Radhakrishnan Srinivasan  
Date Deposited:  29 Sep 2003  
Last Modified:  07 Oct 2010 15:12  
Item ID:  1397  
URI:  http://philsciarchive.pitt.edu/id/eprint/1397 
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Srinivasan, Radhakrishnan
On the logical consistency of special relativity theory and nonEuclidean geometries: Platonism versus formalism. (deposited 14 Jul 2003)
 Srinivasan, Radhakrishnan Comment on "On the logical consistency of special relativity theory and nonEuclidean geometries: Platonism versus formalism". (deposited 29 Sep 2003) [Currently Displayed]
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