Biblical value of pi
(→Summation: Remove innacurate Category: Arguments against the existence of God, is biblical criticism)
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In 1 Kings 7:23, the [[Bible]] says:
And he made a molten sea, ten cubits from the one brim to the other: it was round all about, and his height was five cubits: and a line of thirty cubits did compass it round about.
Revision as of 13:00, 2 July 2007
- "And he made a molten sea, ten cubits from the one brim to the other: it was round all about, and his height was five cubits: and a line of thirty cubits did compass it round about."
Atheists often use this passage to demonstrate a mathematical error in the Bible, despite that fact that it is supposedly divinely inspired. Since the circumference of a circle is pi*diameter, a round sea could only be ten cubits across and thirty cubits around if Pi=3, rather than 3.1415 etc.
This shows that the Bible is not inerrant in such a way that no amount of denying scientific observations can sweep the objection away, because it is based on mathematics, which is much harder to dispute.
If you make a molten sea with a circumference of thirty cubits, you'll find that the diameter is 30/pi or 9.55 cubits. Or ten cubits, to round to the nearest integer.
In short, the Bible does not say that pi must be three, unless you are going to assume that the numbers given are accurate to more than two significant figures, which is unjustifiable given the wording. Additionally, the Bible doesn't claim that the sea was a perfect circle, just "round" or "circular".
While some atheists like to cite this as a demonstration against strict Biblical literalists, as we could certainly expect greater precision if the words of the Bible come directly from a god, the argument tends to be viewed as trivial. While the argument can be useful, it would seem to be vastly overshadowed by the wealth of errors, contradictions, ambiguities and atrocities contained in the Bible.