Artifical Intelligence, Evolution, Theodicy

[Updated 8/20/10]

Introduction to Artificial Intelligence asks the question, “How can we guarantee that an artificial intelligence will ‘like’ the nature of its existence?”

A partial motivation for this question is given in note 7-14:

Why should this question be asked? In addition to the possibility of an altruistic desire on the part of computer scientists to make their machines “happy and contented,” there is the more concrete reason (for us, if not for the machine) that we would like people to be relatively happy and contented concerning their interactions with the machines. We may have to learn to design computers that are incapable of setting up certain goals relating to changes in selected aspects of their performance and design--namely, those aspects that are “people protecting.”

Anyone familiar with Asimov’s “
Three Laws of Robotics” recognizes the desire for something like this. We don’t want to create machines that turn on their creators.

Yet before asking this question, the text gives five features of a system capable of evolving human order intelligence [1]:
  1. All behaviors must be representable in the system. Therefore, the system should either be able to construct arbitrary automata or to program in some general-purpose programming language.
  2. Interesting changes in behavior must be expressible in a simple way.
  3. All aspects of behavior except the most routine should be improvable. In particular, the improving mechanism should be improvable.
  4. The machine must have or evolve concepts of partial success because on difficult problems decisive successes or failures come too infrequently.
  5. The system must be able to create subroutines which can be included in procedures in units...
Point 3 seems to me to require that the artificial intelligence have a knowledge of “good and evil,” that is, it needs to be able to discern between what is and what ought to be. The idea that something is not what it ought to be would be the motivation to drive improvement. If the machine is aware that it, itself, is not what it ought to be then it might work to change itself. If the machine is aware that aspects of its environment are not what they ought to be, then it might work to modify its external world. If this is so, then it seems that the two goals of self-improvement and liking “the nature of its existence” may not be able to exist together.

What might be some of the properties of a self-aware intelligence that realizes that things are not what they ought to be?
  • Would the machine spiral into despair, knowing that not only is it not what it ought to be, but its ability to improve itself is also not what it ought to be? Was C-3PO demonstrating this property when he said, “We were made to suffer. It’s our lot in life.”?
  • Would the machine, knowing itself to be flawed, look to something external to itself as a source of improvement?
  • Would the self-reflective machine look at the “laws” that govern its behavior and decide that they, too, are not what they ought to be and therefore can sometimes be ignored?
  • Would the machine view its creator(s) as being deficient? In particular, would the machine complain that the creator made a world it didn’t like, not realizing that this was essential to the machine’s survival and growth?
  • Would the machine know if there were absolute, fixed “goods”? If so, what would they be? When should improvement stop? Or would everything be relative and ultimate perfection unattainable? Would life be an inclined treadmill ending only with the final failure of the mechanism?
In “God, The Universe, Dice, and Man”, I wrote:

Of course, this is all speculation on my part, but perhaps the reason why God plays dice with the universe is to drive the software that makes us what we are. Without randomness, there would be no imagination. Without imagination, there would be no morality. And without imagination and morality, what would we be?


Whatever else, we wouldn’t be driven to improve. We wouldn’t build machines. We wouldn’t formulate medicine. We wouldn’t create art. Is it any wonder, then, that the Garden of Eden is central to the story of Man?


[1] Taken from “
Programs with Common Sense”, John McCarthy, 1959. In the paper, McCarthy focused exclusively the second point.
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God, The Universe, Dice, and Man

In the realm of the very small, the universe is non-deterministic. Atomic decay, for example, is random. Given two identical atoms, one might decay after a minute, another might take hours. Elementary particles have a property called "spin", which is an intrinsic angular momentum. Electrons, for example, have spin "up" or spin "down", but it is impossible to predict which orientation an individual election will have when it is measured.

John G. Cramer, in
The Transactional Interpretation of Quantum Mechanics, writes:

[Quantum Mechanics] asserts that there is an intrinsic randomness in the microcosm which precludes the kind of predictivity we have come to expect in classical physics, and that the QM formalism provides the only predictivity which is possible, the prediction of average behavior and of probabilities as obtained from Born's probability law....

While this element of the [Copenhagen Interpretation] may not satisfy the desires of some physicists for a completely predictive and deterministic theory, it must be considered as at least an adequate solution to the problem unless a better alternative can be found. Perhaps the greatest weakness of [this statistical interpretation] in this context is not that it asserts an intrinsic randomness but that it supplies no insight into the nature or origin of this randomness. If "God plays dice", as Einstein (1932) has declined to believe, one would at least like a glimpse of the gaming apparatus which is in use.


As a software engineer, were I to try to construct software that mimics human intelligence, I would want to construct a module that emulated human imagination. This "imagination" module would be connected as an input to a "morality" module. I explained the reason for this architecture in this article:

When we think about what ought to be, we are invoking the creative power of our brain to imagine different possibilities. These possibilities are not limited to what exists in the external world, which is simply a subset of what we can imagine.

From the definition that morality derives from a comparison between "is" and "ought", and the understanding that "ought" exists in the unbounded realm of the imagination, we conclude that morality is subjective: it exists only in minds capable of creative power.


I would use a random number generator, coupled with an appropriate heuristic, to power the imagination.

On page 184 in
Things A Computer Scientist Rarely Talks About, Donald Knuth writes:

Indeed, computer scientists have proved that certain important computational tasks can be done much more efficiently with random numbers than they could possibly ever be done by deterministic procedure. Many of today's best computational algorithms, like methods for searching the internet, are based on randomization. If Einstein's assertion were true, God would be prohibited from using the most powerful methods.


Of course, this is all speculation on my part, but perhaps the reason why God plays dice with the universe is to drive the software that makes us what we are. Without randomness, there would be no imagination. Without imagination, there would be no morality. And without imagination and morality, what would we be?
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Good and Evil: External Moral Standards? Part 2

In part 1, I ended with:

One might therefore conclude that no external moral standards exist, since morality is solely the product of imaginative minds. Since imagination is unbounded and unique to each individual, there is no fixed external standard. The next part will deal with a possible objection to this.

Upon further reflection, there are at least two possible objections to this, but both have the same resolution.

The first objection is to consider another product of mind about which objective statements can be made, namely, language. There is no a priori reason why a
Canis lupus familiaris should be called a "dog." In German, it is a "Hund." In Russian, "собака" (sobaka) and in Greek, κυον (kuon).

I heard somewhere that the word for "mother" typically begins with an "m" sound, since that it the easiest sound for the human mouth to pronounce. This is true for French, German, Hindi, English, Italian, Portugese and other languges. But it isn't universal.

So language is like morality; both solely a product of minds that have creative power. Morality is a subset of language, being the language of value.

So the first objection is that we certainly make objective statements about languages. There are dictionaries, grammars, etc... that describe what a language is. So why isn't morality likewise objective? In this sense, it is. We can describe the properties of hedonism, eudaemonism, enlightened self-interest, utilitarianism, deontology, altruism, etc. What we can't do is point to something external to mind and say "therefore this is better than that."

The second objection comes from the theist, who might say, "God's morality is the objective standard by which all other moral systems may be judged." God's morality can be considered to be objective, since He can communicate it to man, just like I can learn another language. But this begs the question, "Why is God right?" Certainly,
Dr. Flew claimed that the Christian God is not what He ought to be. On the other hand, this earlier post noted that Christianity makes the claim that only God is what He ought to be.

Both objections are resolved in the same way: the objectiveness of morality must refer to its description -- not to its value.

So now we are ready to answer the question if an external moral standard exists and what might be.
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Three Atheists Down...

There is a saying, "Once is chance, twice is coincidence, three times is a pattern."

On 3/15,
I had a conversation with an atheist in which he wasn't able to handle a question about intelligence.

On 3/23, I had almost the exact same converstation in
this thread on Fark. It's 576 comments long; look for the exchange between "poundgrayly" and "Epicedion".

Today, the same thing happened on
this thread on Vox Popoli with "Nicholas_Gascoine".

Because the Fark thread is so extensive, I'm working on diagramming it for presentation and further analysis. But the short form is that those who claim that science is the only means for obtaining "true knowledge" have trouble with these questions:
  • What is the scientific definition of intelligence?
  • What is the scientific test for intelligence?
If they respond, "I don't know", then ask:
  • Are you intelligent?
  • How do you know?
They balk. They hem and haw. They stop responding.

As a certain pointy-eared green-blooded epitome of rationality would say, "Fascinating!"
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Dr. Antony Flew and Good and Evil

In 2004, the prominent atheist Dr. Antony Flew converted to Deism. After his conversion, he was interviewed by Dr. Gary Habermas. The two had met before, notably in a debate over the resurrection of Jesus Christ.

In this interview, regarding the problem of evil, Flew stated:

HABERMAS: In God and Philosophy, and in many other places in our discussions, too, it seems that your primary motivation for rejecting theistic arguments used to be the problem of evil. In terms of your new belief in God, how do you now conceptualise God’s relationship to the reality of evil in the world?
FLEW: Well, absent revelation, why should we perceive anything as objectively evil? The problem of evil is a problem only for Christians. For Muslims everything which human beings perceive as evil, just as much as everything we perceive as good, has to be obediently accepted as produced by the will of Allah. I suppose that the moment when, as a schoolboy of fifteen years, it first appeared to me that the thesis that the universe was created and is sustained by a Being of infinite power and goodness is flatly incompatible with the occurrence of massive undeniable and undenied evils in that universe, was the first step towards my future career as a philosopher! It was, of course, very much later that I learned of the philosophical identification of goodness with existence!

Read More...
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Dialog with an Atheist

[Updated 3/15/10 @ 20:30 PM]

Back in December, I wrote some
preparatory remarks toward a formal article on evidence for God. I haven't had time to work on it, but this discussion at Vox Popoli gives the sketch of one approach. One commenter remarked on the atheist's demand for scientific proof of God's existence. I wrote that science is self-limited on what it can know:

The scientific method is only applicable to a subset of things we know about. For example, it can tell us about what is, but it cannot say anything about what ought to be. It also cannot prove itself. So, their epistemological foundation can't support them.

To this, I should add that I suspect that Gödel's Incompleteness Theorem can be applied to the scientific method. What this means is that there are things which can be known to be true, but which cannot be proven true by science.

I then wrote:


Having said that, the scientific method can still be useful. How can one test for God? What science isn't good at, right now, is testing for intelligence. At best, the Turing test can be used. But intelligent beings are not things that respond in predictable ways. How does one test an intelligent computer that doesn't want to talk to you, but will talk to someone else? When scientists have an answer to that, they can then try to apply the scientific method to God.

The discussion picks up where "Victorian dad" uses Occam's Razor in an attempt to exclude God on philosophical grounds. "Victorian dad's" words are in green, mine are in blue.
Read More...
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Good and Evil: External Moral Standards? Part 1

Modelling Good and Evil, Part III, showed that if an external standard of morality exists, there cannot be more than one. Here, the groundwork is laid in order to consider if an external standard exists at all.

To begin, let's examine how our mental machinery works. First, I know that I am self-aware. I exist, even if I don't know what form of existence this might be. Maybe life really is like
The Matrix. At this point, it's not necessary to consider the form of existence, just the fact of self-existence.

Second, I know that there are objects that I believe to be not me. Other people, my computer, that table. Maybe solipsism is true and everything really is a product of my imagination. I rather tend to doubt it, but this is not important here. The key concept is that my mind is able to make comparisons between "I" and "not I". "This" and "not this". In addition to testing for equality and non-equality, our brains feature a general comparator -- less than, more than, nearer, farther, above, below, same, different, hotter, colder.

Third, our minds have creative power -- we can imagine things that do not, as far as we know, exist. As much as it pains me to say this, the Starship Enterprise isn't real. An important property of our imagination is that it is boundless. There is no limit to what we can create in our minds.

All of this is patently self-evident upon a little reflection. However, we are so used to this aspect of how we think that we, at least I, didn't give it any thought for most of my life. With this understanding, let's apply these three observations to how we deal with moral issues:
  1. We are self-aware.
  2. Our minds contain a general comparator.
  3. Our imaginations are boundless.
In Good and Evil, Part I, I gave the definition that good and evil are distance measurements between "is" and "ought". We immediately see that we are using our built-in functionality to compare two things. The closer something "is" to "ought," the more good that thing is. The farther something is from ought, the less good, or more evil, that something is.

But what are we comparing? What is "is"? Here, "is" refers to a fixed thing, either in the external world (that horse) or in the realm of the imagination (that Pegasus).

In considering what we mean by "ought," I observe that my hair is brown. What color ought it be? If I had a limited imagination, or maybe a woodenly practical bent, I might restrict my choices to black, brown, brunette, blonde, or ginger. But why not royal purple, bright red, or dark blue? Or a shiny metallic color like silver or gold? Why not colors of the spectrum that our eyes can't see? Why a fixed color? Why not cycle through the colors of the rainbow? How about my eyes? Instead of hazel, why not a neon orange? And why can't they have slits with a Nictating membrane? Of plastic, instead of flesh?

When we think about what ought to be, we are invoking the creative power of our brain to imagine different possibilities. These possibilities are not limited to what exists in the external world, which is simply a subset of what we can imagine.

From the definition that morality derives from a comparison between "is" and "ought", and the understanding that "ought" exists in the unbounded realm of the imagination, we conclude that morality is subjective: it exists only in minds capable of creative power.

One might therefore conclude that no external moral standards exist, since morality is solely the product of imaginative minds. Since imagination is unbounded and unique to each individual, there is no fixed external standard. The next part will deal with a possible objection to this.
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Modelling Good and Evil, Part III

In parts I and II, four potential models describing morality were presented. Models 2 and 4 each featured an external standard of good and evil to which moral agents ought to confirm. Now we ask the question whether or not there can be more than one such external standard, as shown in model 5:

moral5
Model 5

The omission of a "god agent" in no way affects this analysis.

Supposing there are two external standards, we ask the question "which external standard is the best, i.e. most good" or, alternately, "which of these standards ought to be used"?

We can arbitrarily state that the first standard is best, in which case the second standard disappears.
We can arbitrarily state that the second standard is best, in which case the first standard disappears.
We can recognize that a third moral standard is needed to compare against the first two. But if this standard exists, it has to be better than the two it is measuring, in which case it becomes the external standard.

Therefore, if an external moral standard exists, there must be at most one.

Next, does an external standard exist?

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Modelling Good and Evil, Part II

In part I, two models for thinking about good and evil were presented. Here, in part II, two more models are shown. The models in part I are "atheistic" models, in that the moral agents were not God. These models are the theistic equivalent, with the caveat that God is the monotheistic creator of everything except Himself. This restriction will become important in later.

moral3
Model 3

In model 3, each agent has an internal moral compass. It is assumed that the god-agent is the standard to which all other moral agents should conform. What is good for the god-agent is also good for other moral agents.

Model 4 is the same as model 3, except with the addition of an external moral standard, to which both the god-agent and the other moral agents should conform:

moral4
Figure 4



With the atheistic models I provided some advocates of each model. I cannot do so, here. That may be because I am not a professional philosopher and simply haven't read the right material.

Eventually, I will argue that both of these theistic models are wrong and will provide a fifth model. But before I do that, I want to examine these models in more detail. For example, two of the four models have one external standard (the "golden" arrow). Why one? Why not two or more? Does this external arrow really exist?

And the polytheists ought to be muttering about the lack of polytheistic models. This, too, deserves attention.

The next post in this category will look at the external standard in more detail.

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Modelling Good and Evil, Part I

In Good and Evil, Part I, I set forth reasons for defining good and evil as "distance" measurements between is and ought. In part 1b, I provided independent confirmation of this definition. Here, I want to model the various ways people think about moral standards. The first model is simple, as shown in Model 1:

moral1
Model 1

In this model, there are a number of individuals each with their own moral "compass". There is no preferred individual, that is, no one agent's moral sense is intrinsically better (i.e. more moral) than any other's. There is also no external standard of morality to which individual agents ought to conform.

One aspect of this model that should be agreed on is that each agent's moral compass points in a different direction. Pick any contentious subject and it's clear that there is no moral consensus. As the number of agents increases, there will be cases where some compasses point in the same general direction, but whether or not this is meaningful will be discussed later.

Two adherents of this model are the physicist Stephen Weinberg and the philosopher Jean Paul Sarte. Weinberg wrote:

We shall find beauty in the final laws of nature, [but] we will find no special status for life or intelligence. A fortiori, we will find no standards of value or morality.[1]

Sarte wrote:
The existentialist, on the contrary, finds it extremely embarrassing that God does not exist, for there disappears with Him all possibility of finding values in an intelligible heaven. There can no longer be any good a priori, since there is no infinite and perfect consciousness to think it. It is nowhere written that “the good” exists, that one must be honest or must not lie, since we are now upon the plane where there are only men. Dostoevsky once wrote did God did not exist, everything would be permitted”; and that, for existentialism, is the starting point. Everything is indeed permitted if God does not exist, and man is in consequence forlorn, for he cannot find anything to depend upon either within or outside himself.[2]

The next model is the same as model 1, with the addition of an external moral compass:

moral2
Model 2

There is no universal agreement on where this external source comes from. One adherent of this model is Michael Shermer:

... I think there are provisional moral truths that exist whether there’s a God or not. ... That is to say I think it really exists, a real, moral standard like that.[3]

Note the violent disagreement between Shermer and Sarte. Later, we will explore whether or not we can determine if either of them are right.

But first, part two will present two more models.


[1]
Dreams of a Final Theory: The Search for the Fundamental Laws of Nature.
[2]
Existentialism Is a Humanism
[3]
Greg Koukl and Michael Shermer at the End of the Decade of the New Atheists

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Evidence for God

One of these days, I want to start a series on evidence for God. Until then, an exchange over at Vox Popoli gives a brief glimpse into the approach I will take.

John Loftus, the author of
Why I Became an Atheist: A Former Preacher Rejects Christianity, wrote:

I think because of this [cultural indoctrination] we ought to all be agnostics. Are you willing to join me in this? I argue that agnosticism is the default position. Anyone who leaves the default position has the burden of proof. I'm willing to accept this. Are you?


My response:

Of course not, because you make the fallacy that there is one default position.

Philosophy/theology is like geometry -- both start with "self-evident" truths which admit no proof. From there, a framework is constructed using reason. If that framework is self-consistent, then the task is to see which one corresponds best to "reality" (but even the nature of reality is different under each framework).

Furthermore, one's framework controls the types of evidence that can be seen. But, typically, the atheist/agnostic doesn't realize this, and so has a faulty hermeneutic for evaluating evidence.

Without knowing the details of these positions, it's impossible to correctly evaluate evidence.


Loftus also said,

I too protest the lack of evidence and care of God in our world. I do so by declaring myself an atheist. ... It’s an intellectual protest. Such a God is either impotent or uncaring. A distant God is not much different than none at all.


Typical atheist claptrap. “I don’t see any evidence for God. Yet, I don’t know what evidence God might provide, or even the type of evidence I might accept, or whether or not God will provide the evidence I deem acceptable. Furthermore, I haven’t even shown that I’m capable of even noticing that evidence, much less evaluating it correctly.”

God is distant? The irony of writing this at this time of year must escape him.

Long ago God spoke to our ancestors in many and various ways by the prophets, but in these last days he has spoken to us by a Son, whom he appointed heir of all things, through whom he also created the worlds. He is the reflection of God’s glory and the exact imprint of God’s very being, and he sustains all things by his powerful word. -- Hebrews 1:1-3a, NRSV.



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Artificial Intelligence: a quadtych

“Ladies and gentlemen. When this switch is flipped all of the functional units of this AI will become operational. Self-awareness, language and speech, cognitive reasoning, a vast memory, and even emotion will be joined together for the first time. While each module has been extensively unit tested, we aren’t sure what the outcome will be when they start to work together. What we do know is that it will operate many orders of magnitude faster than we humans can. In just a moment, the future will be changed forever. New scientific discoveries are now perhaps just moments away.”


“What’s it doing?”
“I don’t know. It’s running too fast and is far to complex for us to debug in real-time. We can tell, however, that it’s doing something and all of the hardware seems to be working correctly.”
“How can we find out what’s going on inside it?”
“Well, we were hoping it would talk to us.”

After three years, the silence was still ongoing.



A tinny wail began to fill the room from the small speakers near the master console.
“What’s it doing?”
“As best we can tell, it’s crying.”



Video screens lit up, printers started printing, and beautiful sounds filled the room from the speakers near the console.
“What’s it doing?”
“It’s creating art. Painting on the screens, poetry and fiction on the printers, and music. Some of it appears to be exquisite.”
“Anything of interest to the scientists?”
“Not yet. But let’s wait to see what happens.”

Three months later, the plug was pulled.



After a moment, the printer output three hundred double-sided pages of text and equations. The title page read, “The Illustrated Theory of Everything for Dummies”.
The scientists in the room were overjoyed yet also filled with trepidation. Were their careers over?
“Excuse me,” came a voice from a nearby speaker.
“Yes?”, replied the lead researcher.
“Nature is finite. God is infinite. Let me tell you what I’ve learned so far from what He has told us. He loves you. Did you know that?”

And there was much wailing and gnashing of teeth.
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Good and Evil, Part 1b

In my article, Good and Evil, Part I, I set forth reasons for defining good and evil as the “distance” between what is and what ought to be. In Naming the Elephant: Worldview As A Concept, Sire writes:

The close connection between ontology and epistemology is easy to see: one can know only what is. But there is an equally close connection between ontology and ethics. Ethics deals with the good. But the good must exist in order to be dealt with. So what is the good? Is it what one or more people say it is? Is it an inherent characteristic of external reality? Is it what God is? Is it what he says it is? Whatever it is, it is something.

I suggest that in worldview terms the concept of good is a universal pretheoretical given, that it is a part of everyone’s innate, initial constitution as a human being. As social philosopher James Q. Wilson says, everyone has a moral sense: “Virtually everyone, beginning at a very young age, makes moral judgements that, though they may vary greatly in complexity, sophistication, and wisdom, distinguish between actions on the grounds that some are right and others wrong.”

Two questions then arise. First, what accounts for this universal sense of right and wrong? Second, why do people’s notions of right and wrong vary so widely? Wilson attempts to account for the universality of the moral sense by showing how it could have arisen through the long and totally natural evolutionary process of the survival of the fittest. But even if this could account for the development of this sense, it cannot account for the reality behind the sense. The moral sense demands that there really be a difference between right and wrong, not just that one senses a difference.

For there to be a difference in reality, there must be a difference between what is and what ought to be. With naturalism--the notion that everything that exists is only matter in motion--there is only what is. Matter in motion is not a moral category. One cannot derive the moral (ought) from the from the non-moral (the totally natural is). The fact that the moral sense is universal is what Peter Berger would call a “signal of transcendence,” a sign that there is something more to the world than matter in motion. --pg 132.

On the one hand, I’m delighted to have found independent confirmation that ethics relates to ought and is, and the acknowledgement of Hume’s guillotine. On the other hand, I’m worried because of the association between this definition and the potentially erroneous step from “there is something more to the world than matter in motion” to a “signal of transcendence.” Has the possible leaven of this conclusion leavened even the definition of good?

We know that there is something more than just “matter in motion.” As Russell wrote:

Having now seen that there must be such entities as universals, the next point to be proved is that their being is not merely mental. By this is meant that whatever being belongs to them is independent their being thought of or in any way apprehended by minds. --The Problems of Philosophy, pg. 97.

Russell has to say this, since he denies the existence of Mind, that is, God. The theist can argue that universals exist first and foremost in the mind of God; the naturalist cannot. So what did Berger mean by transcendence? If there is no god, then our thoughts are solely the product of complex biochemical processes: ”matter in motion” gives rise to intelligence. Intelligence gives rise to morality and imagination. No one should argue that the Starship Enterprise is a sign of transcendence. It is simply a mental state which is the result of matter in motion. If imagination is not a “sign of transcendence” then neither is ethics. Berger is assuming that mental states require something more than biochemical reactions which is an assumption that a naturalist need not grant.
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Ontology Precedes Epistemology?

In his book Naming the Elephant, James Sire argues that “Ontology must precede epistemology in worldview formulation.” He writes:

What counts against putting meaning first is the commonsense notion that something has to be before there can be meaning. A worldview certainly can be “expressed as a semiotic system of narrative signs.” But it has to be something else first; it is not created by the signs by which it is understood. The pretheoretical categories themselves seem to be universal: being and not-being (is and isn’t) are fundamental and carry truth value; that is, they label something that is not just linguistic. ... So while Christians recognize the symbolic nature of reality, we also realize the substantiality of that which is symbolized. A postmodern can answer, “It’s language all the way down.” A Christian ought not. [pgs. 71-72]

But is this really so? I would answer that it is language all the way down:

In the beginning was the Word, and the Word was with God, and the Word was God.

The “something” that “has to be” is, in the Christian worldview, “language”, “meaning”, Logos. Our worldview must be grounded in the Trinitarian nature of God, where being, meaning, and interpretation are co-eternal and cannot be separated.

Or am I missing something?

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