|Reality, philosophy: it is controversial, which should be counted to reality, that is to say, the set of objects and states which occur in the world. Theories partially differ strongly regarding the definitions of facts and situations or the consideration of internal states of subjects. Thus, a situation can be described in many ways, whereby very different assumptions about the involved objects and relations come into play. See also ontology, realism, recognition, epistemology, constructivism, fact, situations, internal/external, totality, relations, simulation.|
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Properties / reality / ontology / causality / Cartwright: Thesis: causality is the key to the question which properties are real. - ((s) A property must be able to be a cause or may play a causal role). Predicates / Cartwright: many predicates represent only properties in the model, characteristics which allow the derivation of real phenomenological laws.
Invariance / Cartwright: is a mathematical tool - (as well as the unitarity operator) - but rotational invariance is also an expression of a real physical characteristic - (There are more spectral lines).
How the laws of physics lie Oxford New York 1983