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Themesicon: navigation pathAesthetics of the Digitalicon: navigation pathEndo-Aesthetics

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of their attributes as aesthetic, is hence an operation carried out by the observer or community.

An aesthetic theory in line with such an approach cannot build on orthodox or reductionist methods or criteria, but must take as its starting point models that are largely process-based, contextual, and interrelational. Even the term ‹art,› along with its meaning and its use, is part of this consensual system. These considerations are of fundamental importance to the detailed analysis of interactive works of art, since the paradigms of creations of that kind are not approachable from an essentialist or ontological perspective.

Principles of endo-physics

The theory of endo-physics, [3] which has been a subject of research for more than a decade, emerged primarily from the work of the German scientist Otto E. Rössler, who also played an important role in the development of chaos theory (Hyperchaos; Rössler- Attraktor, 1976). As physics from within, endo-physics takes as its starting points the distinction between systems and models, the principles of


observer-objective endoreality, and those of inaccessible exo-reality. The analysis centers on the fact that the human being is part of the universe and an observer of the world, and that the world is defined at the interface between the observer and the rest of the world, meaning that the individuals are necessarily internal observers without access to the interface. As an observer one can neither step outside the world nor observe from outside the world within which one lives, with the result that the observed—reality—is always subject to elements of subjectivity. In order to enable explicitly external observation, endo-physics proposes the construction of model worlds that would simulate exo-models of endosystems, for instance in a computer-simulated model universe.

According to Otto E. Rössler, after the theory of relativity, quantum mechanics, chaos theory, and self-organization theories the twentieth century witnessed a fifth radical placing in question of our understanding of reality. The phases of relativization of objectivity by light velocity, observation, and unpredictability amount to a coherent sequence that is further expanded by endo-physics with its

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