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The Open Past in an Indeterministic Physics.

Flavio Del Santo1,2, Nicolas Gisin3,4

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Summary
This summary is machine-generated.

This study explores if indeterminism, the idea of an open future, could also apply to the past. By using a toy model and information finiteness principles, it suggests the past might be fundamentally indeterminate.

Keywords:
IndeterminismOpen pastPhilosophy of timeProbabilistic causalityPropensities

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Area of Science:

  • Theoretical Physics
  • Philosophy of Science

Background:

  • Indeterminism in physics traditionally concerns an open future, where outcomes aren't fully determined by present conditions.
  • The concept of an open past, where past events could have unfolded differently, is less explored.

Purpose of the Study:

  • To investigate whether indeterminism can extend to the past.
  • To explore the implications of information finiteness principles on the nature of the past.
  • To reconcile a potentially indeterminate past with the observed asymmetry between memory of the past and prediction of the future.

Main Methods:

  • Development of a conceptual toy model.
  • Application of principles related to the finiteness of information.

Main Results:

  • Demonstration that upholding information finiteness principles can entail the possibility of an indeterminate past.
  • The toy model illustrates how the past could be fundamentally indeterminate.

Conclusions:

  • Indeterminism may extend to the past, not just the future.
  • The proposed framework helps explain the asymmetry between the partial recall of the past and the inability to fully predict the future.