[Yossarian]

I don't know how anyone can claim otherwise.

We live in space-time. There is an order to time, driving forward.

Originally there was no man. Hell, there was no earth.

Obviously now we have man, a being capable of moral reason, and with free will that allows him to make the wrong choices, for self-serving reasons.

At some point in the sands of time, about 150,000 years ago, those humans, beings with those characteristics, started populating the earth. And if you look closely at that event horizon, there is a leading edge to it: there is a first.

As with all things in time, there is always a first.

[RIghtwardHo]

Actually, there are several theories of time (the Rainbow universe being one) that posit that time has no beginning so there would be no first.

[Citizen Tom Paine]

Our Jewish compatriots have searched the Old Testament for at least 2000 years and they still have not discovered “original sin”.

[sr4402]

As with all things in time, there is always a first.

Without Adam there is no sin problem. But the Apostle Paul makes it quite clear where he contrasts Adam "The one man" who disobeyed (bringing sin and death into the World) vs the one man who obeyed - with the Lord Jesus Christ (who brought life for all who believe). Thus if we get rid of "the one man" we get involved with the other.(Romans 5)