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1

TEÓRIA STRÚN A FYZIKÁLNY OBRAZ SVETA

100%
Dubnička J.
Filozofia (Philosophy)
|
2008
|
vol. 63
|
issue 8
695-703
EN
The paper deals with a new physical conception of the world as developed in the recent theory of strings. In a brief introduction the author outlines the history of searching for the 'corner-stones' of the reality beginning with ancient conceptions up to the relativity and quantum physics. The latter, however, proved as incomplete and excluding each other. Among the theories trying to unite them into one consistent and non-contradictory conception is the theory of strings. The paper shows its contribution to articulating the new physical conception of the world, as well as the theoretical, philosophical and methodological questions brought about by the theory. .
2

FILOZOFICKÉ A METODOLOGICKÉ PROBLÉMY BUDOVANIA TEÓRIE KVANTOVEJ GRAVITÁCIE

88%
Dubnička J.
Filozofia (Philosophy)
|
2009
|
vol. 64
|
issue 7
658-668
EN
The paper deals with selected philosophical and methodological problems concerning the building of the quantum theory of gravitation, which is expected to unify general relativity and the quantum field theory into a single consistent and comprehensive theory. It outlines the basic ontological characteristics of such theory, its structure and the limitations set upon it by the general relativity and the quantum field theory. As well the models of such theory are described.
3

GOODMAN A GOMBRICH O POVAHE OBRAZOVEJ REPREZENTÁCIE A REALIZME ZOBRAZENIA

75%
Hrkút J.
Filozofia (Philosophy)
|
2021
|
vol. 76
|
issue 1
31 – 45
EN
The aim of the paper is to examine the criteria of realism applied to pictorial representations by Ernst Gombrich and Nelson Goodman. In the 2nd half of the 20th century, they both developed theories as to why some artefactual depictions seem more realistic to us than the others. In both approaches, there is a rejection of classical mimetic doctrine (there is a brief introduction to modern mimetic theory represented by Catherine Abell) as well as a criterion of visual illusion. What makes Gombrich and Goodman different is the assessment of informativeness criterion. While it is sufficient for Gombrich, Goodman goes even further in his relativization. Goodman also rejects informational content as the criterion of realism. The final criterion in Goodman's conception is based on the so-called inculcation. The paper examines the persuasiveness of Goodman’s and Gombrich’s arguments and mentions the current discussion (Mitrovic, Margolis, Briscoe) on them.
4

TEÓRIA KVANTOVEJ GRAVITÁCIE A TEÓRIA RELATIVITY

63%
Dubnička J.
Filozofia (Philosophy)
|
2011
|
vol. 66
|
issue 4
235-335
EN
The theory of quantum gravitation, which is designed to unite the general relativity with the quantum field theory into one consistent theory, raises several major problems. The paper examines the limitations posed by the general relativity on the efforts to create an ontological basis of the quantum theory of gravitation, which the latter ought to accept. It concerns mainly problems arising from relating the new field theory with the gravitational field in the general theory of relativity, the problems of the autonomy of the space-time with its gravitational masses, as well as the problems of the covariance of the physical equations in the theory of quantum gravitation equations, the former being the consequence of the principle of a general covariance of the general relativity equations.
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