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Nomological machine: Difference between revisions
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:“It is a fixed (enough) arrangement of components, or factors, with stable (enough) capacities that in the right sort of stable (enough) environment will, with repeated operation, give rise to the kind of regular behavior that we represent in our scientific laws” <ref>{{author|Nancy Cartwright}}. {{br|The Dappled World – A Study of the Boundaries of Science}}. (Cambridge University Press, 1999)</ref> | {{g}}:“It is a fixed (enough) arrangement of components, or factors, with stable (enough) capacities that in the right sort of stable (enough) environment will, with repeated operation, give rise to the kind of regular behavior that we represent in our scientific laws” <ref>{{author|Nancy Cartwright}}. {{br|The Dappled World – A Study of the Boundaries of Science}}. (Cambridge University Press, 1999)</ref> | ||
I think this is fancy way of saying it’s a [[model]]. So, for example take [[Newton’s laws of motion|Newton’s second law of motion]], which describes the relationship between an object's mass and the amount of force needed to accelerate it. | I think this is fancy way of saying it’s a [[model]]. So, for example take [[Newton’s laws of motion|Newton’s second law of motion]], which describes the relationship between an object's mass and the amount of force needed to accelerate it. | ||
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This is an immutable law of physics which holds in all non-relativistic, non-quantum scales. But the conditions in which it operates — zero friction, perfect elasticity, non-intertial frame of reference — circumstances which never exist in real life. So a rolling ball with no force acting upon it will eventually stop. A [[crisp packet blowing across St. Mark’s square]] still does obey Newton’s laws of motion, but good luck calculating its trajectory using them. | This is an immutable law of physics which holds in all non-relativistic, non-quantum scales. But the conditions in which it operates — zero friction, perfect elasticity, non-intertial frame of reference — circumstances which never exist in real life. So a rolling ball with no force acting upon it will eventually stop. A [[crisp packet blowing across St. Mark’s square]] still does obey Newton’s laws of motion, but good luck calculating its trajectory using them. | ||
{{sa}} | |||
*[[Policy]] | |||
*[[Root cause analysis]] | |||
{{ref}} | {{ref}} | ||