Aquinas second argument
Aquinas' second argument, the first cause, is trying to provide a rational proof for the existence of god. To construct his argument Aquinas is setting a group of premises that, in his opinion, irrefutably point to one valid solution, the intervention of a god like being in the creation of the universe. The first of these premises is the perpetual motion argument. Just as a machine can not be built to power it self indefinitely, nothing can be the cause of itself. In other words, by law of nature (that sits well with reason) no effect can cause the exact same effect. The result of this premise is that there has to be a chain of cause and effect, a very long one. Aquinas' second premise is that this chain can not go back for with on starting point. In his opinion, that would be equivalent to not having an engine to power this phenomenon. A very long series of cause and effect has to start with one centralistic cause that marked the beginning of all reactions. Under these two main premises, in Aquinas's opinion, god has to exist to make the first effort in the creation of t
One objection that rose was the multiple series objection. There is no rational explanation in Aquinas' argument that would rule out that possibility. It assumes that all actions are unidirectional, that is they can only flow in a cause"łeffect forward motion. But if Aquinas supporters decided to adopt the multiple chain twist on his theory, there is still the question of what caused the first cause in these chains to start where they started? And an Aquinas answer would be that something had to place it there to achieve the ultimate effect, which is the universe as we know it. That something is an ultimate cause to all first causes, and we can name it god. Further more, no other existence, or as he put it: "Kif there be no first cause among efficient causes, there will be no ultimate, nor intermediate efficient causes", can come to place. To this, one of several strong objections, Aquinas supporters might replay in two ways. And if that something placed the first causes where they are, than in a sense, it is causing it to function as it does. Most chemical reactions in fact are reversible given changing conditions. nature observations) would work for the macro (i. If we observe nature (which is what Aquinas is basing his assumptions on) we see unrelated action-reaction processes that coexist without interacting with one another.
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