Wm Voss wrote:
> As I said, you can not prove a negative -- not now and certainly not then.
> The very best you can say is an individual had "no acknowledged issue"
which
> is still to murky to warrant a check off.
Ya know William, I used to think that, but I think now I've changed my
mind. You can prove a negative by proving a positive that also proves a
negative of the positive! For example:
In Genealogy, if one accepts contemporaneous documents as proof, say
you had a Birth Certificate that Abraham Lincoln was born in 1804. Since
people are only born once, that would prove that he was not born in any
other year. However, if you choose not to accept such documents as
proof, then the fact that I am a living adult today proves that I was not
born yesterday. Or in my case even a few years ago. It also proves that
I am not dead.
So some negatives can proven where postive can be "inverted" to make
a negative. But for the cases previously discussed on this thread, I don't
see any such "invertable" positives that can be used in such a fashion.
jr
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