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dxu comments on Request for Steelman: Non-correspondence concepts of truth - Less Wrong Discussion

13 Post author: PeerGynt 24 March 2015 03:11AM

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Comment author: dxu 28 March 2015 04:37:18AM *  0 points [-]

But I can write an equation for an inverse cube law of gravity, which doesn't apply to this universe.

No, you can write out an equation using suggestively named variables like "G" and "m" and "r". The second the equation stops modeling the strength of the gravitational force, however, it ceases to be a "law of gravity", regardless of what letters you used for the variables. It's just some random equation.

Comment author: TheAncientGeek 28 March 2015 11:03:09AM 0 points [-]

That amounts to saying that what isnt physically true isnt physically true . The point, however, is that what is not physically true can be mathematically true, so mathematical truth cannot consist of correspondence to the physical world,