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Originally Posted by FruitfulTime  Even though if we know that the physical laws are deterministic and if we can (and know how to) represent the current state of the universe it can still be the case that destiny does not exists. Laws being deterministic means that if you apply this law with this input then you get this output. Do it hundred times the same then you get the same output. But still there is the choice of will (as you have rightly mentioned). I still have the right to choose whether to do something or not  |
I don't quite understand your point. If the universe is deterministic then the inputs (and thus outputs) of the laws are all predetermined. A particular molecule having a particular velocity and momentum during the big bang leads to X which leads to Y which leads to [...] which leads to you having certain genetics, living a certain life, thinking particular thoughts and taking particular actions.
Of course, even if the universe is predetermined from the moment of the big bang, it's not possible to calculate the outcome anyway (to do so would take a computer bigger than the universe) so it might as well not be from our perspective.
Like David said, whether we have true Free Will or just the illusion of Free Will is both unknowable and irrelevant - whether it's predetermined or not we still make the best choices we can and take the best actions we can at any given moment.