• FuglyDuck@lemmy.world
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    5 months ago

    This is amusing.

    Lets use a different example. Clinical drug trials.

    By your logic, we can never know if drugs are in fact safe, because we can’t prove they’ll never have ill effects. Can’t prove a negative, after all. Which is logically incorrect. We can prove their safe by running clinical drug trials in controlled settings. You know how all that goes. You give rats or whatever drugs and see if they die. if they don’t you see if they tolerate it well. when they do, you give it to humans, eventually, and see if they die, and if they tolerate it well.

    You do this enough and you can say the drug is in fact safe. The absence of evidence that the drugs are harmful, is evidence that they are not harmful.

    This is true because, presumably, it’s extremely well and extensively studied. Rational people will look at the studies and agree: the drugs are reasonably safe to use under those guidelines.

    the existence of god has been studied extensively. It follows then, the lack of tangible evidence is itself evidence of absence.

    • DeviantOvary@lemmy.world
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      5 months ago

      Not a theist, so I’m not defending the potential existence of “my god”.

      Lack of evidence, however, doesn’t always mean something doesn’t exist or hasn’t happened. If John killed Jake and destroyed or hid the evidence, and based on that wasn’t found guilty, that doesn’t mean that he didn’t do it. It simply means no substantial evidence has been found to prove it (yet).

      If you want to take your example further, it’s quite possible to find out years or decades later that drug is in fact harmful, it just took time for the side-effects to show, or rather we simply didn’t have the right technology to come to that conclusion earlier. (Though far less likely for this scenario to happen with modern science.)

      Also, the existence of science or established set of natural laws, and absence of supernatural does not rule out existence of an uninvolved or uncaring creator.

      • FuglyDuck@lemmy.world
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        5 months ago

        And isn’t that exactly what I’m saying about god’s existence?

        That it isn’t definite or absolute proof, but it is evidence?

    • OutlierBlue@lemmy.ca
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      5 months ago

      By your logic, we can never know if drugs are in fact safe, because we can’t prove they’ll never have ill effects. Can’t prove a negative, after all.

      Yes, that’s exactly right. You can not prove that a drug is completely safe under all conditions because it’s impossible to test it under all conditions.

      You do this enough and you can say the drug is in fact safe

      “Safe” in this case does not mean a guarantee. You can say that the drug is safe enough for use. You can’t guarantee 100% safety, but you can say that the benefits greatly outweigh the risks. Vaccines are safe because the good they do overwhelms the dangers. However it dies not guarantee no side effects.