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Images of TimeMind, Science, Reality$
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George Jaroszkiewicz

Print publication date: 2016

Print ISBN-13: 9780198718062

Published to Oxford Scholarship Online: January 2016

DOI: 10.1093/acprof:oso/9780198718062.001.0001

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Observers and time

Observers and time

(p.14) 2 Observers and time
Images of Time

George Jaroszkiewicz

Oxford University Press

The dangers of unsupported assertions about time are stressed in this chapter. The role of contextuality, or qualifying circumstances, is stressed. The nature of scientific truth as contextually dependent on apparatus and observers is discussed and the concept of generalized proposition developed. This involves a division, here interpreted as a Heisenberg cut, between internal context and external context. The former concerns the apparatus required to validate propositions about systems under observation whilst the latter defines the observer and their relationship with the wider universe. Generalized propositions and contextual completeness are defined and an algorithm is given for calculating a classification of the former. This scheme can help filter metaphysical speculation from more scientifically desirable contextually complete assertions about time.

Keywords:   observers, contextuality, apparatus, internal context, external context, Heisenberg cut, generalized propositions, contextual completeness, classification

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