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re: Everyone alive today has had a living ancestor at every point in history
Posted on 3/7/18 at 7:48 am to TH03
Posted on 3/7/18 at 7:48 am to TH03
quote:
He's ignoring that people die.
Sure, but the principal is, somewhat, sound. Going back in time, you would have roughly double every generation - and even if there were shifts in generations, there would have been some overlapping lifespans, and theoretical doubling every full generation.
You don't dispute that part of his analysis, do you? I'm alive now. Both my parents were alive mid 40s to ~1990. All 4 of my grandparents were alive from ~1910 to ~1970. All 8 of my great grandparents were alive ~1880 - ~1940, etc. At some point, that upside down pyramid flips and becomes a diamond.
2
Posted on 3/7/18 at 7:49 am to Ace Midnight
quote:
You don't dispute that part of his analysis, do you?
No I get that part. I'm only addressing the part where he says they'd all be alive if you went back to 1418.
Posted on 3/7/18 at 7:53 am to Ace Midnight
quote:
At some point, that upside down pyramid flips and becomes a diamond.
This. You ignore cousin fricking and other variables.
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