There’s a problem rife among presuppositional apologists.  Much of our most frequently used jargon is ambiguous and ill-defined.  In this post, I’d like to specifically focus on the word “worldview”, contrast it with the phrase “conceptual scheme”, and highlight why the distinction is important for presuppositionalists to keep in mind.

To begin, consider philosopher Andrew Cortens’ statement about conceptual schemes:

…if we plan to make use of such ill-defined technical terms as ‘conceptual scheme’, ‘ontological framework’, and the like, we had better be prepared to give a clear account of such notions.  Many relativists run into serious trouble on this score; rarely do they provide a satisfactory explanation of just what sort of thing a conceptual scheme is.  I have argued elsewhere that even if the notion of a conceptual scheme is taken for granted, the view that existence is always relative to a conceptual scheme has the absurd consequence that we can never explicitly state the content of a sentence that has existential implications.  Whether or not my argument was successful, many will agree that there are legitimate worries about the intelligibility of relativism about truth or existence. ~ From William Alston’s “Realism & Antirealism” pg. 46.

Cortens is a good Christian philosopher (though not a presuppositionalist) and is concerned with countering epistemological relativists who claim the world can be legitimately conceptualized differently for different people.

We’ve all heard it suggested that “what’s true for you may not be true for me”, right?  This sort of absurd rhetoric is supported by assertions of the possibility of a plurality of equally-valid conceptual schemes (here – we mean a class of concepts through which the actual world is conceived.  In Van Tillian jargon: a conceptual scheme is the lens through which you view the world.)

As presuppositionalists, we might agree with the conceptual-scheme pluralists who suggest the world can be “conceptualized” in different ways by many different people.  We know this because we spend the majority of our time as apologists dealing with false conceptual schemes.  Further, the Bible gives us hints about the psychological situation of unbelievers; their rebellion against God gives them emotional reasons to form incorrect beliefs about the relationship between different facts of their experience, which leads to the creation of an entire scheme of incorrect beliefs.

A brief illustration will help here.  Again, I’ll cite portions of Dr. Cortens’ article:

At noon, an ice cube measuring 2cm x 2cm x 2cm is placed on a table.  Slowly it melts, so that after an hour has passed, all that remains on the table is a small puddle of water.  One person – call him ‘A’ – describes the situation in the following words:  “At noon a single thing measuring 2 cm x 2cm x 2cm was placed on the table, namely, an ice cube.  Shortly afterward it began to shrink and eventually, sometime between noon and 1pm, it ceased to exist altogether.  Just as the ice cube began getting smaller, a new thing came into existence: a puddle of water.  Although it began as a very tiny puddle of water, its volume is now roughly equal to that of the ice cube at its largest.”  Another person, B, provides a strikingly different account of the facts.  “The one and only 2cm x 2cm x 2cm object that was placed on the table at noon still exists”, says B.  “It has merely ceased to be an ice cube.  Now it is merely a puddle of water.”  Doubtless we can think up still other descriptions of the situation that might be offered.  One can imagine, for example, someone insisting that two cubical objects of the same size were placed on the table at noon, one of them an ice cube that went out of existence shortly thereafter, the other a quantity of water that went right on existing but in a different state.  But I trust I have said enough to give you a feel for the various “versions” of the facts that might be offered in this situation. ~ pg. 43

However – as presuppositionalists, we most decidedly do *not* agree that all these conceptualizations of the world are equally correct.  In keeping with the ice cube illustration, we would say that only one conceptualization of the facts in that scenario is correct.  We believe there is only one correct way to conceptualize the world.

Most preusppositionalists, at this point would reply that it’s only the Christian *worldview* that rightly describes the world.  But this would be a little hasty.  Instead, I’d like to argue that we should say, rather, that it’s the Christian conceptual scheme that rightly construes the objects of our experience.

I got this idea from Dr. Bahnsen’s protege’, Michael Butler.

In lecture 23 of his introduction to presuppositional apologetics, Butler attempts to respond to one of the most biting criticisms of transcendental arguments.  In short:  the argument says that the transcendental argument can only ever provide us with conceptual necessity, never ontological necessity.  In other words – the non-Christian might grant that he has to think like a Christian (use the Christian conceptual scheme) for human experience to make sense, but that doesn’t prove Christianity is actually true.

In response, Butler suggests that this criticism misconstrues the Presuppositionalist.  We are not arguing for the necessity of mere conceptual scheme, rather, we are arguing for the necessity of a “worldview”.  Butler uses “worldview” here, to mean how the world *actually* is.  From Butler:

Before we abandon hope, there may be a way out of this problem.  The source of the present difficulty seems to be the way in which the TAG has been set up.  Given the context of this discussion, the tendency is to conflate the notion of the Christian worldview with the notion of a conceptual scheme.  This is where I think the problem really lies.  It’s viewing the Christian worldview as, really, a conceptual scheme.

Now, what is a conceptual scheme?  It’s some conception of our experience that comes in a systematic way.  So we think of the “Copernicum” conceptual scheme.  This is where we view the planets as objects we’re traveling with around the sun.  You can conceptualize it that way.  On the old theory, you conceptualize the relation of the Earth, planets, and sun, as very different.  The sun was going around the Earth. So we look today and see the same information our ancestors did, but we conceive of it differently.

All that to say is … this objection, I believe, conflates a worldview with a conceptual scheme.  But a conceptual scheme and a worldview are quite different.  We can conceptualize the world differently without necessarily changing the essential elements of our worldview.  Our worldviews commit us ontologically to things, where as conceptualization doesn’t necessarily commit us to foundational ontological commitments. ~ starting at 19:40 into lecture 23.

I think it’s fair to expound on Butler’s view here by remembering a hard-learned truth of Van Tillian thought.  In our infamous disagreements with the disciples of Gordon Clark, Van Tillians make it clear that God’s knowledge and man’s knowledge is of a different type.  What we, as creatures, know, we know derivatively.  The objects of God’s knowledge, however, are made what they are by virtue of His knowing them.  In many cases, God’s knowledge of an object is creative (ie: when God thinks of a material object, and if He so wills, the object will become a material reality).1

Keeping this in mind, and in light of Butler’s discussion above, I suggest we think of a “worldview” as God’s conceptual scheme.  It is how God conceptualizes (and thus, creates) everything that has been created.

To determine which human conceptual scheme is correct then, requires us to figure out which conceptual scheme conceptualizes the world in the same way God conceptualizes the world.  We must figure out which conceptual scheme correctly construes the Christian worldview.  In Van Tillian jargon, we must:  “think God’s thoughts after Him.”

In sticking with the ice cube illustration:  we must determine if God thinks of the ice cube as an object that transforms into a new object (a puddle), or if He thinks of it as a class of water molecules that change form over time, etc. etc.

Figuring this out will provide us with the necessary “norm” by which we can measure the correctness of any given conceptual scheme.

1. Van Til’s writings hint at this. Consider the following: “God must be taken as the prerequisite of the possibility and actuality of relationship between man’s various concepts and propositions of knowledge. Man’s system of knowledge must therefore be an analogical replica of the system of knowledge which belongs to God.” ~ Defense of the Faith, pg. 138.

Also, see pg. 228 of Dr. Bahnsen’s “Van Til’s Apologetic” for commentary on the difference between human acts of knowing and God’s act of knowing.

Also, see John Frame: “To say God is incomprehensible is to say that our knowledge is never equivalent to God’s own knowledge, that we never know Him precisely as He Knows Himself” (Doctrine of the Knowledge of God, 21).

  1. SLIMJIM says:

    From your post I learned of a new philosopher: Andrew Cortens’


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