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 June 25th, 2018, 01:01 PM #1 Senior Member   Joined: Jun 2018 From: UK Posts: 103 Thanks: 1 The probability of this being another probability question Is 100%. Can someone tell me if below is a new idea? In a closed system, at time t+1 the set of all possible future events is smaller or equal to the set of all possible future events at time t. Because: - Things that are possible can become impossible - Things that are impossible can’t become possible - So the probability space shrinks with time A good example of this is the 2nd law of thermodynamics; heat death of systems etc...
 June 25th, 2018, 01:15 PM #2 Senior Member   Joined: Oct 2009 Posts: 733 Thanks: 247 Sure, makes sense. Not very deep idea though...
 June 25th, 2018, 02:01 PM #3 Senior Member   Joined: Jun 2018 From: UK Posts: 103 Thanks: 1 Sure but it’s widely applicable especially in connection with infinity and the old saying ‘anything that can happen will happen’. Rules out Boltzmann Brains for example https://en.m.wikipedia.org/wiki/Boltzmann_brain
 June 25th, 2018, 02:01 PM #4 Senior Member   Joined: Jun 2018 From: UK Posts: 103 Thanks: 1 Sure but it’s widely applicable especially in connection with infinity and the old saying ‘anything that can happen will happen’. Rules out Boltzmann Brains for example https://en.m.wikipedia.org/wiki/Boltzmann_brain
June 25th, 2018, 02:06 PM   #5
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Quote:
 Originally Posted by Devans99 ‘anything that can happen will happen’
That's known as Murphy's Law

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