Four proofs of the nonexistence of God

[Jehanne]

An actual past infinite number of cause/effect events is not logically possible. We would never have gotten to the present event. There must be a first cause.

Can you provide a mathematical proof for that? If not, all you know is that it violates your intuitions and you can't wrap your head around it. Actual reality is obliged to be intuitive. No apparent paradox has ever prevented reality from working the way it actually does, no matter how illogical it may seem (see Zeno). If there actually is an infinite past sequence of events, then it only seems paradoxical. I've got no investment in an infinite past, I'm just not aware of a proof that it can't be the case.

My personal opinion is that the most likely case is that there is a first cause (and many first causes for other cosmos), and it happened the instant that time began. But I'm comfortable with the possibility that I could be wrong.

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The Universe is probably eternal, without a beginning or an end -- see my posts elsewhere.

Having said that, the "infinitude of the past" have been addressed by Professor Wes Morriston:

http://spot.colorado.edu/~morristo/selected-papers.html

As Dr. Morriston has demonstrated, Craig suffers that same problem with his theistic beliefs as does naturalism.  To help understand this, consider the following mathematical truths that have been proven:

1)  There are an infinite number of prime numbers.

2)  As one progresses from 1 to infinity along the set of natural numbers, the number of primes goes to zero (Prime Number Theorem).

Now, how can there be an infinite number of primes such the number of primes goes to zero?  Answer, it is just that way!  It was Craig himself, in quoting from Vilenkin, who said that a "proof is what it takes to convince an unreasonable man..."  Craig is unreasonable and also very ignorant, which is why he rejects the number zero:

http://rationalwiki.org/wiki/William_Lane_Craig