On spooky action at a distance and conditional probabilities

• URL: http://arxiv.org/abs/2601.13875v1
• Date: Tue, 20 Jan 2026 11:42:47 GMT
• Title: On spooky action at a distance and conditional probabilities
• Authors: Henryk Gzyl,
• Abstract summary: We make explicit the analogy between the classical notion of non-independent probability distribution and the quantum notion of entangled state.<n>In the classical case, afet observing one of the random variables, the underlying sample space and the probability distribution change.<n>In the quantum case, when and event pertaining to one of the components is observed, the post-measurement state captures, both, the change in the state of the system and implicitly the new probability distribution.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: The aim of this exposé is to make explicit the analogy between the classical notion of non-independent probability distribution and the quantum notion of entangled state. To bring that analogy forth, we consider a classical systems with two dependent random variables and a quantum system with two components. In the classical case, afet observing one of the random variables, the underlying sample space and the probability distribution change. In the quantum case, when and event pertaining to one of the components is observed, the post-measurement state captures, both, the change in the state of the system and implicitly the new probability distribution. The predictions after a measurement in the classical case and in the quantum case, have to be computed with the conditional distribution given the value of the observed variable.

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