Because he is comparing two different federal heads. Adam the federal head or representative of all who are born the natural way of procreation. Paul, I believe, is the one who referred us (humans) as being "of the dust.
Christ the federal head (representing) all who are in him through regeneratation.
And that could be. The term first man and 2nd Man simpy identify the first Adam and the Last Adam. But, doesn't that just explain the first Adam and Last Adam. In other words, why mention Christ as the 2nd Man, when what He is as the Last Adam is sufficient for explanation.
Couldn't (1 Cor. 15:47) have been written as this, "The first Adam is of the earth, earthy: the Last Adam is the Lord from heaven" ?
Let me ask this. Why is Christ called the 'Last Adam' and not the 2nd Adam?
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