[MD] A Science of Morals

[craigerb at comcast.net]

[dmb] 
> Sam Harris's not suggesting that we're going to learn the natural laws of morality from brain surgeons or 
> rocket scientists. 

[Craig, previously] 
> Actually he does.  He argues thusly: 
> 1) Morality consists of effects on humans. 

> 2) Effects on humans are reflected in brain states 
> 3) Brain states are investigated by neurophysiologists 
> 4) Neurophysiologists are scientists 
> 5) :. Morality is investigated by scientists 

[Steve]
> How can a description of how the world is tell us about 
> how the world ought to be?

Harris's argument: 
i) How the world ought to be, relates to the well-being of sentient beings 
ii) The well-being of sentient beings relates to how the world is 
iii) How the world is relates to how we describe the world 
iv) :. How the world ought to be relates to how we describe the world Craig