Tantalus Prime and I have been discussing abortion. Tantalus takes exception to my observation that human life begins at conception. He believes that the humanity of a human zygote/embryo/fetus isn’t a scientific fact, but merely a matter of linguistics:
The exact moment at which a fertilizing egg becomes human… is a horrible scientific question! Is asking the exact size beyond which a stream becomes a river a good scientific question? Of course not, because this is not an empirical problem but one of definition. Define the term human however you want, but don’t pretend it is an empirical question to be solved. Scientists can’t even agree on what constitutes a living organism, so what makes you think pinpointing the demarcation between human being and not human being is easily solved in a testable and falsifiable manner….
Tantalus doesn’t like to mix definitions with his science. Especially definitions that aren’t congenial to his ideology.
Yet a human embryo is surely something. But I’m not going to ask Tantalus that nasty beginning of life question. I’ll ask Tantalus a different question, hopefully one that he finds less irritating:
What is a human embryo?
There would seem to be 5 different things that a human embryo in the womb could be:
- The human embryo is part of the mother.
- The human embryo is not part of the mother, and is of a non-human species (i.e. not Homo sapiens).
- The human embryo is some hitherto unclassified thing, neither of any species nor a part of the mother.
- The human embryo is a proto-human being.
- The human embryo is a human being.
Let’s explore Tantalus’ dilemma:
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