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Miloslav Ciz 2023-11-05 12:57:11 +01:00
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determinism.md
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*"God doesn't play dice."* --[some German dude](einstein.md)
Deterministic system (such as a computer program or an equation) is one which over time evolves without any involvement of [randomness](randomness.md); i.e. its current state along with the rules according to which it behaves unambiguously and precisely determine its following states. This means that a deterministic [algorithm](algorithm.md) will always give the same result if run multiple times with the same input values. Determinism is an extremely important concept in [computer science](compsci.md) and [programming](programming.md) (and in many other fields of science and philosophy).
Deterministic system (such as a computer program or an equation) is one which over time evolves without any involvement of [randomness](randomness.md); i.e. its current state along with the rules according to which it behaves unambiguously and precisely determine its following states. This means that a deterministic [algorithm](algorithm.md) will always give the same result if run multiple times with the same input values. Determinism is an extremely important concept in [computer science](compsci.md) and [programming](programming.md) (and in many other fields of science and philosophy). For example [game of life](game_of_life.md) is a deterministic system while [Markov chain](markov_chain.md) is not.
Determinism is also a **philosophical theory** and aspect of physics theories -- here it signifies that our Universe is deterministic, i.e. that everything is already predetermined by the state of the universe and the laws of physics, i.e. that we don't have "[free will](free_will.md)" (whatever it means) because our brains are just machines following laws of physics like any other matter etc. Many normies believe [quantum physics](quantum.md) disproves determinism which is however not the case, there may e.g. exist hidden variables that still make quantum physics deterministic -- some believe the Bell test disproved hidden variables but again this is NOT the case as it relies on statistical independence of the experimenters, determinism is already possible if we consider the choices of experimenters are also predetermined (this is called [superdeterminism](superdeterminism.md)). [Einstein](einstein.md) and many others still believed determinism was the way the Universe works even after quantum physics emerged. { This also seems correct to me. Sabine Hossenfelder is another popular physicist promoting determinism. ~drummyfish } Anyway, this is already beyond the scope of technological determinism.