Philosophy Lexicon of Arguments

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Information, information theory: A character or a character combination contains information when it is clear to the recipient that this character or the character combination appears instead of another possible character or a possible character combination. The supply of possible characters determines to a part the probability of the occurrence of a character from this supply. In addition, the expected probability of the appearance of a character can be increased by already experienced experiences of regularities. The amount of information transmitted by a character depends on the improbability of the occurrence of the character.

Annotation: The above characterizations of concepts are neither definitions nor exhausting presentations of problems related to them. Instead, they are intended to give a short introduction to the contributions below. – Lexicon of Arguments.

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I 68
Information/Movement/Causality/Speed of Light/Bigelow/Pargetter: an image can be transmitted faster than light: e.g. a laser cannon on earth can swing on the surface of the Jupiter moon Callisto and move an image from one point to another through the angular speed, which is faster than the speed of light.
I 69
This is possible because there is no causal process under way here. The point at a time is not the same thing as the point at another time, the point is not an object,
N.B.: then in the case of this point there is only one Ockhamistic speed, no vector. Saying "it" moved was misleading. It also has no identity in time.
Cause: is the movement of the laser cannon on Earth.
N.B.: therefore, the existence of a pattern of 2nd level of positions does not imply the existence of a property of the 1st level of the instantaneous velocity.
Newton: shows again that instantaneous velocity (property of the 1st level) does not imply properties of the 2nd level (sequence of positions).
Flux theory: this is what it needs, the logical independence of properties 1st and 2nd level. Nevertheless, it must accept an intimate connection between the two.
False solution: to say that the point of light receives its identity from the numerical identity. That would be a dubious combination of first and second level properties.
I 70
Vs: if, for example, a world of Malebranche - God creates the moving objects at any time in any place - is a logical possibility, then there is no implication (entailment) between Ockhamistic speed and velocity according to the flux theory (2nd and 1st level of properties).
Bigelow/Pargetter: That is why we say that the connection between Ockham speed and flux speed is not guaranteed by a metaphysically necessary connection, but by a contingent natural law.
Movement/Explanation/Bigelow/Pargetter: Ockham's change of location is often explained by instantaneous speed. The reason is that there is no other possibility according to the laws of nature.
Moment/Bigelow/Pargetter: this vector understands velocity among itself. Moment is not an intrinsic property (or "invariant"), but is relativized to a frame of reference.
Vector/Natural Laws/Explanation/Bigelow/Pargetter: Vectors play an important role in natural laws. It is they who give the natural laws their explanatory power.
Intrinsic property/Vector/Bigelow/Pargetter: each vector constitutes an intrinsic characteristic of an object at a time. ((s) No contradiction to above, if related to point of time).
Velocity/acceleration/Bigelow/Pargetter: their connection is mediated by their role in natural laws.
Gravitational Acceleration/Galilei/Bigelow/Pargetter: is actually not quite constant, because gravitation becomes stronger when approaching the center of gravity. And it is increasingly accelerating. Galilei, however, assumes constancy.
I 71
Explanation/Quantity/Bigelow/Pargetter: not all quantities play an explanatory role such as acceleration and velocity. For example, the change in acceleration (see above gravitational acceleration) does not play an explanatory role.
That is why we do not assume a vector for them. All we need here is "Ockham's" pattern of acceleration. No flux. However, we do need the flux for the underlying vectors of velocity and acceleration.
Vector/Physics/Explanation/Bigelow/Pargetter: there is no reason to assume vectors above the level of acceleration, neither flux vectors nor Ockhamist vectors.
Explanation/Bigelow/Pargetter: this shows an explanatory link between flux vectors and patterns in time. This connection is not a close logical or metaphysical one, but a looser, a nomological one.

Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution.

Big I
J. Bigelow, R. Pargetter
Science and Necessity Cambridge 1990

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Ed. Martin Schulz, access date 2017-10-17