- #1

entropy1

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Suppose that:

- If X happens, we observe A, and:
- If Y happens, we observe B.

- If we observe A, Y did not happen, and:
- If we observe B, X did not happen,

{X,Y} are exclusive, {A,B} are exclusive.

In case of binary events: X=¬Y and A=¬B.

And if we could manipulate the observation, would it then (logically) be possible to manipulate which event happened by doing so?

A way to manipulate the observation could perhaps be choice of measurement basis.

This is mainly logic applied to quantum mechanics.