Of course, my analogy does not stand up. There were not the equivalents of the pond and the shore at the moment of creation. The point I am trying to make is that at a certain level of complexity there could be a break in the linearity and inevitability in the causal chain originated by the Prime Cause. One cannot rule out some mechanism, be it quanta, chaos, orcosciosnes that acts in a remotely similar way to my analogy. — Jacob-B
The behavior of a complex, dynamic physical system will be consistent with so called laws of physics. That does not mean that the behavior of the system is predictable, even in theory, by those laws. It works top down, but it doesn't work bottom up. — T Clark
Actually it works bottom up, too, once one realizes that you need two things in your knowledge before you can construct: all the laws, and the initial state (including movement). — god must be atheist
If, by this, you mean that higher levels of organization can be predicted from the laws of lower levels, Anderson and I disagree. — T Clark
If reductionism is true, then indeed it must work bottom up. That's not to say that scientific research should be directed toward (say) fully accounting for biology with quantum field theory - that's impractical, but it is in principle possible to do so - or at least would be if our knowledge of fundamental physics were complete. If it is not possible, this implies there are some higher level properties that are ontologically emergent (and thus truly unpredictable), which contradicts reductionism.There have been a lot of discussions around this type of issue. They often come down to a question of the validity of a reductionist approach to science. The behavior of a complex, dynamic physical system will be consistent with so called laws of physics. That does not mean that the behavior of the system is predictable, even in theory, by those laws. It works top down, but it doesn't work bottom up. — T Clark
If reductionism is true, then indeed it must work bottom up. That's not to say that scientific research should be directed toward (say) fully accounting for biology with quantum field theory - that's impractical, but it is in principle possible to do so - or at least would be if our knowledge of fundamental physics were complete. If it is not possible, this implies there are some higher level properties that are ontologically emergent (and thus truly unpredictable), which contradicts reductionism.
Reductionism does imply that the current state of the universe was in principle predictable at the big bang. Quantum indeterminacy means that base prediction would have actually been of a huge number of possible states of the universe, of which the current state is but one of that number. — Relativist
Reductionism could be an approach, but I've only seen it used as an ontological commitment- so from that perspective it is either consistent with reality, or it isn't. Its converse is ontological emergentism, which is the claim that some higher level properties are not a product of lower level properties. Consciousness is cited as the most likely example of ontological emergence.Reductionism is a metaphysical approach. It isn't right or wrong, it's more or less useful in specific situations. It's very useful when dealing with subatomic particles. It gets less so very quickly when you leave that size scale. — T Clark
Reductionism could be an approach, but I've only seen it used as an ontological commitment- so from that perspective it is either consistent with reality, or it isn't. — Relativist
Its converse is ontological emergentism, which is the claim that some higher level properties are not a product of lower level properties. Consciousness is cited as the most likely example of ontological emergence. — Relativist
There are two flavors of emergentism: ontological and epistemological. I think you're referring to epistemological emergence, since you're accepting that higher level properties are the product of lower level properties, but not predictable. Ontological emergence is stronger: it entails the emergence of novel properties that exist exclusively in the higher level that cannot, in principle, be reduced to fundamental physics. Consider mental causation: our minds have causal effects on substances in the world; is this mental activity reducible to particle behavior (reductionism is true), or is the mental activity entail ontological emergence from the material in our brains (reductionism is false)? If you're interested, the Stanford Encyclopedia of Philosophy has an article on this (here).My understanding of what you call emergentism is not that higher level properties are not the product of lower level ones, only that they are not predictable from them. Those are not the same thing. — T Clark
There are two flavors of emergentism: ontological and epistemological. I think you're referring to epistemological emergence, since you're accepting that higher level properties are the product of lower level properties, but not predictable. Ontological emergence is stronger: it entails the emergence of novel properties that exist exclusively in the higher level that cannot, in principle, be reduced to fundamental physics. Consider mental causation: our minds have causal effects on substances in the world; is this mental activity reducible to particle behavior (reductionism is true), or is the mental activity entail ontological emergence from the material in our brains (reductionism is false)? If you're interested, the Stanford Encyclopedia of Philosophy has an article on this (here). — Relativist
In the sense that both share inevitability and pre-destination — Jacob-B
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