Deduction... Abduction... Something like God.
Here is a four step deductive cosmological argument...
1: If time / space infinity is impossible, then the universe began to exist.
2: Time space / infinity is impossible.
3: The universe began to exist.
4: If the universe began to exist, then the begining of the universe was an event.
6: The begining of the universe was an event.
7: All events have causes.
9: The begining of the universe had a cause.
10: If the begining of the universe had a cause, then the begining of the universe was caused by either god, or something analogously powerful to god.
12: The begining of the universe was caused by either god, or something analogously powerful to god.
Now, in one sense, this is a pretty weak conclusion 'something like god caused the universe to exist' ... 'something like god'. Of course, in another sense... this is a signifcantly important idea... as... if it turns out to be true, this says something important about the fundamental nature of the universe.
Of course, being a deductive argument... all one needs to do to remain skeptical of the conclusion is to 'pick off' one of the premises. If a skeptic can do that, they have properly 'defeated' the inference(s). Now, I am not suggesting that there are no premises in this argument that we couldnt raise worries about... there certainly are. Howerver, it seems that the explanation of the denial of these premises, though they will be coherent... they will be significantly more complicated... unnecessarily complicated... than the affirmation of the premise in question. Maybe what I have in mind isnt formally demonstrable... but at least, (for instance) it takes more mind bending to try to imagine time / space infinity than it does to simply affirm 2.
This is just to say... if we employ this deductive, cosmological argument... its not that it is free from attack, just that the attack will be less simple than the premises themselves. ... IF this is the case, then the 'reasonable' thing to do would be to affirm the arguments conclusion.