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Full-Text Articles in Philosophy of Science

Classical Mechanics And Quantum Mechanics, Patrick A. Heelan Jan 1965

Classical Mechanics And Quantum Mechanics, Patrick A. Heelan

Research Resources

Given that quantum mechanics is validly applicable wherever classical mechanics is applicable, how are they related to one another? A consideration of this question leads to a reflection on the Correspondence Principle. We conclude that the most basic formulation of the Correspondence Principle refers to the continuity of formulae when applied to marginal matter, taking into account the differences in correspondence rules between a typical classical theory and QM.


Reality In Heisenberg's Philosophy - Chapter Eight Of Heelan's Quantum Mechanics And Objectivity, Patrick Heelan Jan 1965

Reality In Heisenberg's Philosophy - Chapter Eight Of Heelan's Quantum Mechanics And Objectivity, Patrick Heelan

Research Resources

This chapter contains a study of Heisenberg's views of the ontological content of quantum mechanics from I925 until the present day. During the quantum revolution of I925, he began by accepting a Berkeley-type empiricism in which the reality of a quantum mechanical system was reduced to that of a set of observation events, which were, however, acausally connected and in consequence did not constitute a stable phenomenal object of experimental knowledge. After 1955, he professed a modified form of Kantian philosophy whose starting point was the existence of universal and necessary scientific laws. Those universal and necessary scientific laws from …