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Thread: is my understanding right or wrong?

  1. #1 is my understanding right or wrong? 
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    sir my understanding is right or not? i understand in this way sir that we can make only law after observation so law of whole universe can be made after observation of universe from start to end am i right or not?and it is not possible because we cant observe universe from start to end


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    Genius Duck Moderator Dywyddyr's Avatar
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    We have laws to explain observed phenomena.
    A scientific law is a statement based on repeated experimental observations that describes some aspect of the world.
    It's doubtful we'd want, let alone have, a "law of the universe" since it would (if it were even possible) be so unwieldy as to be useless.
    Laws deal with aspects, not totalities.


    "[Dywyddyr] makes a grumpy bastard like me seem like a happy go lucky scamp" - PhDemon
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  4. #3  
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    Quote Originally Posted by dangar9 View Post
    sir my understanding is right or not? i understand in this way sir that we can make only law after observation so law of whole universe can be made after observation of universe from start to end am i right or not?and it is not possible because we cant observe universe from start to end
    Well, yeah, things such as how the universe started can't really be tested so they're pretty much stuck as theories. Lots of theories couldn't ever become laws, but a theory can still be pretty much rock solid. Just not 100%. But then what is, other than math?
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    Brassica oleracea Strange's Avatar
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    Quote Originally Posted by dangar9 View Post
    sir my understanding is right or not? i understand in this way sir that we can make only law after observation so law of whole universe can be made after observation of universe from start to end am i right or not?and it is not possible because we cant observe universe from start to end
    We can make deductions about the past state of the universe based on the evidence we see around us. (Note that a lot of this evidence comes directly from the very earliest time in the universe's history.) We can make predictions about the probable future fate of the universe based on the evidence we see around us.

    I don't know what you mean by a "law of whole universe" but such a thing sounds impossible to define and not very useful.
    ei incumbit probatio qui dicit, non qui negat
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