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  Topic: Uncommonly Dense Thread 4, Fostering a Greater Understanding of IDC< Next Oldest | Next Newest >  

Posts: 2041
Joined: Jan. 2006

(Permalink) Posted: Feb. 16 2012,13:08   

Quote (eigenstate @ Feb. 16 2012,08:05)
That's the basis for comment to Eric: it's a tautology in the same way as e=mc^2.

Which is to say, not a tautology at all.  "Survival of the fittest" would be a tautology only if biologists defined the "fittest" as "those who survive".  E=mc2 would be a tautology only if m were defined as E/c2.  Physicists don't define m in that way, and so E=mc2 is not a tautology.
It's a production, and equivalence for sure, but it's based on reality-grounded, empirical principles (and both are falsifiable).

Right.  It just seems odd to me that you would call it a tautology when it's falsifiable. "A falsifiable tautology" is an oxymoron. To use the classic example, we don't need to examine a single actual bachelor in order to determine that "all bachelors are unmarried" is a tautology.  It's true by definition.

And the set of natural numbers is also the set that starts at 0 and goes to the largest number.  -- Joe G

Please stop putting words into my mouth that don't belong there and thoughts into my mind that don't belong there. -- KF

  10669 replies since Aug. 31 2011,21:06 < Next Oldest | Next Newest >  

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