-- X has particularly deep connections to human psychology
“How men and women are attracted is part of human nature” normally has the third meaning. “Death is part of human nature” normally has the first meaning, and so isn’t comparable. In your quote, “death is part of human nature” has the second meaning; that is indeed a fallacy, but has no bearing on the original statement since that doesn’t use the same meaning.
It works—that is, can be sincerely said—for anything the writer believes.
By your reasoning nobody should ever say anything about a true statement that is not a proof of it, since whatever they say could have a false statement substituted and would be a fallacy.
-- X has particularly deep connections to human psychology
It always and only means the third of these (with minor variations, e.g. theists will talk about souls created by God). The first and second are then drawn as implications of the third.
In your quote, “death is part of human nature” has the second meaning
It has the third meaning, as you could have discovered by consulting the sources I gave. The whole purpose of the authors of that report was to address the question, if various enhancements to human bodies, of which life extension is one, can be made, should they be made?The “human nature” argument presented there was based on our mortality having “particularly deep connections to human psychology”.
“X is part of human nature” can mean
-- X cannot be changed
-- X should not be changed
-- X has particularly deep connections to human psychology
“How men and women are attracted is part of human nature” normally has the third meaning. “Death is part of human nature” normally has the first meaning, and so isn’t comparable. In your quote, “death is part of human nature” has the second meaning; that is indeed a fallacy, but has no bearing on the original statement since that doesn’t use the same meaning.
By your reasoning nobody should ever say anything about a true statement that is not a proof of it, since whatever they say could have a false statement substituted and would be a fallacy.
It always and only means the third of these (with minor variations, e.g. theists will talk about souls created by God). The first and second are then drawn as implications of the third.
It has the third meaning, as you could have discovered by consulting the sources I gave. The whole purpose of the authors of that report was to address the question, if various enhancements to human bodies, of which life extension is one, can be made, should they be made?The “human nature” argument presented there was based on our mortality having “particularly deep connections to human psychology”.