====================== HES POSTING =================== 
 
In response to Robert Leeson's "internalist" account: 
 
How influential would you say that the "internal" story was, relative to 
the well-known "external" story? 
 
After all (no matter what Paul Feyerabend may have wished he could believe) 
the Copernican theory triumphed not because Galileo used cheap rhetorical 
tricks but because the earth moves around the sun. (Or, as we would 
presently say, a sun-centered coordinate system is closer to a Lorentz 
frame than an earth-centered coordinate system is.) 
 
Brad DeLong 
 
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