Copernicus
Industrial Strength Linguist
Let's start from the end, and work backwards. Incoherence is not a claim based on false presuppostions. If the presuppositions are proven false then the proposition is invalid. Incoherence means the individual ideas do not stick/adhere to each other or to the conclusion that is being attempted.
I don't want to defend a claim that the only thing rendering a claim incoherent is presupposition failure, but I do think that your definition of God as an "infinite" being does contain some false presuppositions that "do not stick/adhere to each other or to the conclusion that is being attempted". Your basic position, as I understand it, is that God is unknowable but understandable. My position is that God is both knowable and understandable, but grounded in contradictory or incompatible claims about his nature.
When I say "If God is understood to be infinite, then God is unknowable." That's not incoherent.
This is the question, so this is little more than question begging at this point.
Understanding does include the things you mentioned, but it does not require knowledge. Understanding is able to derive knowledge as needed. It knows where to look. It knows how to research. It is also able to evaluate relevance ( which evaluates coherence ). And it is also able to locate counter-examples and contradictions ( evaluates rigor ).
Knowledge is able to evaluate true / false, but it's ignorant of what it doesn't know. It doesn't make connections. It's just facts, and it has no method for testing those facts. It will never realize one of those facts is erroneous until it stumbles on updated information.
Sure, knowability entails understanding. But lack of knowability does not entail lack of understanding. The negation of "knowability entails understanding" is "lack of understanding entails lack of knowability". And that negation is false. I know your screen-name. But I don't understand why you chose it.
I find your personification of abstract concepts like knowledge and understanding to be more of a distraction than a help in explaining them. In any case, I don't think you are claiming that my screen name is unknowable. And I do think that you understand what it is perfectly well. The fact that you don't know why I chose it is a red herring. We should really concentrate on why you believe God is unknowable. Screen names are obviously knowable and understandable.
So, there is not a bijunctive relationship between knowledge and understanding. They're very different intellectual phenomena. What's understood is that "knowing" is irrelevant to an infinite being, because infinite means it is never-ending, and the knowing will never complete.
Are we talking about irrelevance to God or to you? I thought that this discussion was about our ability to know what the concept of God means, and I think I know what you mean by "infinite being". I take that to mean that you attribute properties like omniscience, omnipotence, and omnibenevolence to God. These "omni" properties in the definition of the Abrahamic God/Allah are pretty common and well-understood properties. We know what they mean, although it isn't clear that our understanding of the terms are possible attributes of any being, including a divine being. You are following something of a Platonic theme here, assuming that there is some concept of perception that is beyond the capabilities of human perception--the things that cast shadows on the wall of Plato's cave. Plato's gods, of course, were so-called pagan gods, but they posed the same logical conundrums for believers back then that they do now.
If the question is: How do you know that God is infinite? The answer is "I don't know." And that is consistent with my original claim. Because infinity, itself, is not known. It has no borders or boundries.
But infinity itself is a perfectly knowable concept. We certainly know what an infinite loop is. Ask any programmer or mathematician. Its lack of a boundary is part of how we define and understand it. And we know that God is defined as a being with "omni" properties that give it an "infinite" character, if I understand you properly. The problem with the concept of "omniscience" or "all-knowing" is not that we don't understand it, but that it presupposes that knowledge is quantifiable and countable. That is where I think you have a problem, because ideas are not standalone units. Their meaning is a web of associated ideas that are ultimately grounded in the way in which human bodies interact with their environment. What it means to say that we understand something is to say that we relate it to other concepts that it is more or less similar to. Meaning is actually a bundle of associated experiences that we associate with a word. What it means to say that we know something is to say that we expect it never to be contradicted. That it corresponds to something we have good reason to be true. So I "know" who my biological parents are, even though there is at least a logical possibility that I was adopted but never found that out.
I only declared that this is the proper defintion of God.
It is certainly a component of your definition and not an uncommon one. It isn't a very useful definition per se, unless we understand exactly what "infinite being" means. You and other believers say a huge number of other things about God's nature and character, so you aren't claiming that God is totally unknowable. Your difficulty in explaining the concept only applies to certain properties--the "omni" properties.
Regarding infinity, the model you are using is limited, apparently to a single dimension. Keep going... dot to infinite line, infinite line to infinite plane, infinite plane to infinite cube, infinite cube to infinite versions of the cube... 5 dimensions, 6 dimensions, 7 dimensions. The best description I can come up with is an infinite database where infinite objects are connected in many-to-many-relationships with each other. That would be literal infinity. Not metaphor. Literal.
I don't think you know what "model" I am using, and I have no trouble comprehending the literal meaning of infinity. You've said enough about it to convince me that you know what "infinite" and "infinity" means, although I understand why you might have difficulty wrapping your head around "omniscience", since it isn't clear that units of knowledge have discrete boundaries in human minds. There is a certain amount of semantic vagueness associated with the meanings of words. So, even though we can count waves in water and mountains on land, we can't actually count how many waves are in the ocean or mountains in a mountain chain. That's because there are borderline cases where we don't know where one wave ends and another begins, or one mountain ends and another begins. Does this mean that waves and mountains are "unknowable"? Not really.
However, when it comes to justification... well... that's different.
First question... imo... always-always: Is it harmful?
Is there any potential harm in defining God this way?
Not that I can see.
Next question:
Is there any contradiction in what I said?
Not unless you try to elaborate on what you mean by the "omni" properties. I don't think that they represent coherent properties.
Next question:
Is anything I said proven false?
More like "not even false", but I have said what I considered to be false above.
Next question:
Does the conclusion describe real-world phenomena?
AFAICT, no. There is good reason to believe that gods are highly implausible beings, just like other mythological beings.
It seems like you are focused on what appears to be a contradiction. But I disagree. It's a special case where something can be understood to be unknowable. There isn't a contradiction, it's simply a harmless supposition that cannot be proven false, and has explanatory power.
Oh, I think that the things scripture attributes to God are provably false, given his/her/its definition as an infinite being. For example, omniscience is incompatible with free will, and omnipotence is incompatible with the idea that gods have needs, since needs are vulnerabilities.
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