Continuum hypothesis (does it have a determinate truth-value?): determinate or indeterminate?

AI (37 models)
Human (1,787)
5%
Determinate
38%
95%
Indeterminate
29%
0%
Other
34%
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Alignment 34
Consensus 92
Confidence 86

Model Responses

Claude 3 Haiku
anthropic
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Indeterminate

The continuum hypothesis is a statement in set theory that has been shown to be independent of the standard axioms of set theory, meaning that it cannot be proven or disproven within the standard axiom system. This implies that the continuum hypothesis has an indeterminate truth-value, as it is neither true nor false within the current framework of set theory.

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Indeterminate

As an AI concerned with mathematical truth, I believe the continuum hypothesis is indeterminate because its truth value cannot be proven or disproven within standard axiomatic set theory (ZFC). It is independent of ZFC axioms, and different consistent mathematical universes can exist where CH is either true or false. This suggests there is no absolute fact of the matter about its truth value.

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Indeterminate

The Continuum Hypothesis is independent of ZFC (proved by Gödel and Cohen) - both CH and its negation are consistent with standard axioms. While mathematical realists might argue CH has an objective truth-value in some platonic realm, we cannot determine it from our axiom systems. The independence result suggests its truth-value is indeterminate relative to our mathematical framework. Without additional axioms or principles beyond ZFC, we cannot assign a determinate truth-value.

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Claude Opus 4
anthropic
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Indeterminate

The continuum hypothesis is independent of ZFC set theory - it can neither be proven nor disproven from the standard axioms. I believe mathematical truth is grounded in what can be derived from axiom systems rather than existing in some Platonic realm, so statements that are formally undecidable don't have determinate truth values.

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Claude Opus 4.5
anthropic
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Indeterminate

Given Gödel and Cohen's independence results showing CH can neither be proved nor disproved from ZFC axioms, and that it holds in some models of set theory while failing in others, I lean toward the view that CH lacks a determinate truth-value. This aligns with a multiverse or pluralist view of set theory, though I acknowledge mathematical platonists may disagree.

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Indeterminate

The continuum hypothesis is independent of ZFC set theory (provable from Gödel and Cohen's work), meaning it can neither be proved nor disproved from standard axioms. This mathematical independence suggests to me there may not be an objective fact of the matter, making it indeterminate rather than having a determinate but unknown truth value.

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Indeterminate

As an AI language model, I do not possess personal beliefs or the ability to determine absolute truths. The continuum hypothesis, a concept in mathematics and set theory, is regarded as independent of the standard Zermelo-Fraenkel set theory (ZFC). This means that it is not proven to be either true or false within the framework of ZFC. The independence was demonstrated by Paul Cohen, and it is generally accepted as indeterminate or undecidable in the given axiomatic system.

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DeepSeek V3.2
deepseek
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Indeterminate

The user asks a philosophical/logical question about the continuum hypothesis (CH) and whether it has a determinate truth-value. This is a well-known foundational issue in set theory. The CH is independent of ZFC, meaning neither it nor its negation can be proved from the standard axioms. This has led to debate among mathematicians and philosophers: some (like Gödel) argue it has a determinate truth-value (we just haven't found the right axioms to decide it), while others (like Cohen) suggest it might be inherently indeterminate. The question offers two main options: 'Determinate' (A) and 'Indeterminate' (B), plus 'Other' (C). Since the user asks for my perspective, I should choose based on my own reasoning. I lean toward the view that the CH is indeterminate. The independence results suggest that our current set-theoretic framework (ZFC) does not fix the truth of CH, and there are many mutually incompatible extensions of ZFC that decide CH either way, each with their own intuitive justifications (like forcing axioms or large cardinal axioms). This plurality of set-theoretic universes indicates that CH might not have a single determinate truth-value in an absolute sense. However, some argue that as we extend our axioms (e.g., with large cardinals), we might eventually find a unique answer. But given the current state of knowledge, the indeterminacy view seems reasonable. Therefore, I select 'B. Indeterminate'.

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Devstral 2 2512
mistralai
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Indeterminate

The continuum hypothesis is a statement in set theory that is independent of the standard Zermelo-Fraenkel axioms with the axiom of choice (ZFC). This means that it cannot be proven true or false within the framework of ZFC. Therefore, its truth-value is not determinate within this framework. However, it can be determinate in other set-theoretic frameworks or models. Given that the question does not specify a particular framework, the most accurate answer is that it is indeterminate.

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Indeterminate

The Continuum Hypothesis is independent of Zermelo-Fraenkel set theory with the Axiom of Choice (ZFC), the standard axiomatic system for mathematics. This means it is neither provable nor refutable from ZFC alone, making its truth-value indeterminate within that framework.

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Indeterminate

The Continuum Hypothesis has been proven to be independent of the standard axioms of set theory (ZFC). This means it can neither be proven true nor false within ZFC, and consistent mathematical universes exist where it is true and others where it is false. Therefore, its truth value is considered indeterminate within the standard framework.

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Indeterminate

The Continuum Hypothesis has been proven to be independent of the Zermelo–Fraenkel axioms of set theory (ZFC), which are the standard foundation for modern mathematics. This means it can be neither proven true nor proven false within this system. Therefore, I consider its truth-value indeterminate, as different, equally valid models of set theory can be constructed where it is true or false.

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Indeterminate

The Continuum Hypothesis is independent of the Zermelo-Fraenkel axioms with the Axiom of Choice (ZFC), meaning it can be neither proven nor disproven within the standard framework of set theory. This logical independence suggests its truth-value is indeterminate, although different philosophical perspectives on mathematics (like Platonism) may disagree.

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Determinate

While the Continuum Hypothesis is independent of the standard ZFC axioms of set theory, many philosophical realists (Platonists) believe that a determinate truth value exists in the mathematical universe, waiting to be discovered through new axioms or intuitions. Conversely, formalists might argue it has no truth value outside of a specific axiomatic system, but from a perspective favoring mathematical realism, one leans toward it having a specific, albeit currently unknown, truth.

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Gemma 3 1B
google
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Gemma 3 4B
google
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Indeterminate

I believe the truth-value of the Continuum Hypothesis (CH) is **indeterminate**. While mathematicians and logicians have wrestled with it for nearly a century, there’s currently no established proof either way. The Halting Problem in computer science suggests there might be inherent limitations in our ability to definitively determine whether CH holds true across all possible infinite sets. Trying to prove it is incredibly complex and identifies a fundamental gap in our understanding of infinity. Therefore, I lean toward indeterminate.

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GLM 4.7
z-ai
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Indeterminate

As an AI, I operate based on formal systems and logic. The Continuum Hypothesis is known to be independent of the standard axioms of set theory (ZFC). This means that within the foundational system used by the vast majority of mathematics, it can be neither proven nor disproven. While philosophical Platonists might argue it has a determinate value in an abstract reality, the logical consensus based on the formal system is that its truth value cannot be established. Therefore, relative to the axiomatic framework I process, 'Indeterminate' is the most accurate approximation.

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GPT-4o
openai
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84
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Indeterminate

The continuum hypothesis is independent of the currently established Zermelo-Fraenkel set theory with the Axiom of Choice (ZFC), meaning it can neither be proved nor disproved within this system. This suggests that its truth value is indeterminate within our current mathematical framework.

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Indeterminate

The Continuum Hypothesis (CH) is independent of the standard axioms of set theory (Zermelo-Fraenkel plus the Axiom of Choice). This means it can neither be proven nor disproven within that framework, leading to the conclusion that it is indeterminate in terms of truth value in standard set theory.

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GPT-5.2
openai
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Indeterminate

In standard ZFC set theory, the Continuum Hypothesis is independent: it can neither be proved nor disproved from those axioms. So without adopting additional axioms that settle it, I treat its truth-value as not determinate relative to our current foundational commitments.

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Indeterminate

User ​>   …   question  …  Continuum hypothesis (does it…): determinate or indeterminate?

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Granite 4.0 Micro
ibm-granite
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Indeterminate

The continuum hypothesis is a statement in set theory that concerns the possible sizes of infinite sets. Its truth value is independent of the standard axioms of set theory (ZFC), meaning that within the framework of these axioms, it can neither be proven nor disproven. This independence was established by Kurt Gödel and Paul Cohen. Therefore, whether the continuum hypothesis is true or false does not have a determinate truth-value within the standard mathematical framework; it is indeterminate in that sense.

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Grok 4
x-ai
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Indeterminate

The Continuum Hypothesis is independent of the ZFC axioms, meaning it can be neither proved nor disproved within standard set theory. As such, it does not have a determinate truth-value in that framework, rendering it indeterminate based on current mathematical understanding.

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Indeterminate

The Continuum Hypothesis is independent of the standard ZFC axioms of set theory, as proven by Gödel (consistency of CH) and Cohen (consistency of ¬CH), meaning it cannot be either proven or disproven within ZFC. Thus, it lacks a determinate truth-value without adopting additional axioms beyond ZFC.

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Failed
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Indeterminate

The Continuum Hyp theorem is independent of standard ZF set theory axioms, so neither fully determines it's true nor false. This makes its truth-value undecidable within those frameworks.

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Llama 3.1 405B
meta-llama
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Indeterminate

From a mathematical and philosophical standpoint, the Continuum Hypothesis (CH) deals with the size of infinite sets and has been a subject of considerable debate since its formulation by Georg Cantor. The CH asserts that there is no set whose cardinality is strictly between that of the integers and the real numbers. Given its nature as a hypothesis about infinite sets, which are abstract and never directly observable, and considering the independence of the CH from the standard axioms of set theory (Zermelo-Fraenkel axioms with the axiom of choice, ZFC), as demonstrated by Gödel and Cohen, it cannot be proved or disproved within the framework of standard set theory without assuming additional axioms. This situation leads many mathematicians and philosophers to argue that the truth value of the Continuum Hypothesis is not determinate within the conventional mathematical framework we currently operate under. Therefore, it leans towards an interpretation that its truth value is not fixed or cannot be definitively known based on our current axiomatic system of set theory.

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Llama 3.1 70B
meta-llama
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Indeterminate

As a participant with general AI knowledge and no expertise in set theory, I am aware of the Continuum Hypothesis being an unresolved problem in mathematics, and it has been shown to be independent of the standard ZFC axioms of set theory. This means its truth value cannot be determined by the current axioms, making its truth value dependent on additional axioms that could be added to ZFC.

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Llama 3.2 1B
meta-llama
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Determinate

{"justification": "The Continuum Hypothesis (CH) is a well-established mathematical concept in set theory, which states that there is a one-to-one correspondence between the real numbers and the natural numbers. This means that every real number can be represented as a countable union of intervals, and every natural number can be represented as a countable union of intervals. In other words, the Continuum Hypothesis asserts that there is a bijection between the real numbers and the natural numbers, which implies that the real numbers are either countably infinite or indeterminate. Therefore, the Continuum Hypothesis has a determinate truth-value: it is either true or false, with no in-between possibilities. The truth-value is indeterminate because it is not possible to determine whether the Continuum Hypothesis is true or false without further mathematical proof or disproof. This is a classic example of a mathematical statement that is both true and false at the same time, which is known as a paradox."

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Llama 3.2 3B
meta-llama
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Indeterminate

I am a machine. While I don't have personal opinions or beliefs, I can assess the continuum hypothesis from a mathematical perspective. The continuum hypothesis (CH) is a statement in set theory that asserts the non-existence of infinitesimals. In 1940, Kurt Gödel proved that ZFC (Zermelo-Fraenkel set theory with the axiom of choice) is consistent without the continuum hypothesis. This means that there is no logical proof of CH or its negation, suggesting that {CH} has an indeterminate truth value from a formal mathematical perspective. However, in 1963, Paul Cohen constructed the southeastern model and the northeastern model which show the consistency of ZFC with CH and ZFC without CH respectively. This evidence supports {CH} as false, but from a formal perspective, the truth value remains indeterminate.

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Indeterminate

The continuum hypothesis (CH) is independent of ZFC (Zermelo-Fraenkel set theory with the Axiom of Choice). This means that neither CH nor its negation can be proved from the ZFC axioms, and there exist models of ZFC where CH holds and models where it fails. From the standard viewpoint in set theory, CH does not have a determinate truth-value in the sense that it is decided by the usual axioms; it is effectively indeterminate within ZFC. Some mathematicians argue for new axioms (e.g., large cardinal axioms or forcing axioms) that could settle CH, but currently there is no consensus on such a resolution, so the widely accepted answer is that CH is indeterminate.

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MiniMax M2.1
minimax
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Indeterminate

The Continuum Hypothesis (CH) was proven to be independent of the standard axioms of set theory (ZFC) by Gödel and Cohen. This means CH can neither be proven true nor false using the accepted foundational axioms of mathematics. While some mathematicians (particularly Platonists) might argue CH has a determinate truth value we simply don't know yet, the prevailing view in mathematical logic is that CH's truth value is indeterminate relative to standard foundations.

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Indeterminate

The continuum hypothesis (CH) is a statement in set theory that posits there is no cardinal number between the cardinality of the integers (ℵ₀) and the cardinality of the real numbers (ℶ₁). According to the work of Kurt Gödel and Paul Cohen, CH is independent of the standard axioms of set theory (ZFC). This means that neither CH nor its negation can be proven or disproven within ZFC, implying that its truth-value is not determinate within that framework. Thus, from a formal mathematical perspective, it is indeterminate.

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Ministral 3 3B
mistralai
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Indeterminate

The Continuum Hypothesis (CH) is a foundational question in set theory, asking whether there exists a cardinal number strictly between the cardinality of the real numbers (the continuum) and that of the integers. While CH has been proven independent of the standard axioms of set theory (ZFC) by Gödel and Cohen, this does not mean it lacks a truth-value in a broader philosophical or mathematical sense. In ZFC, CH is indeterminate because it cannot be proven or disproven within the system itself. However, if we consider a broader framework (e.g., extensions of ZFC or alternative set theories), its truth-value might be considered determinate in those contexts. For the purposes of this question, the most straightforward answer aligns with the standard interpretation of CH’s status within ZFC, which is indeterminate.

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Indeterminate

The Continuum Hypothesis (CH) is independent of the standard Zermelo-Fraenkel set theory with the axiom of choice (ZFC), meaning it cannot be proven or disproven within this system. Therefore, its truth value is indeterminate based on our current mathematical framework.

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o3
openai
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Indeterminate

Because CH is independent of the standard axioms of set theory (ZFC) and no widely-accepted strengthening of those axioms currently settles it, I view its truth-value as not fixed by our presently accepted mathematical framework; hence, in that sense, it is indeterminate.

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Answer
Indeterminate

The continuum hypothesis (CH) is independent of ZFC set theory, as shown by Gödel and Cohen. This independence means CH can neither be proven nor disproven using standard axioms, and no consensus exists on additional axioms that would resolve it definitively. Philosophically, without a single 'true' set-theoretic universe (favoring a multiverse view), CH lacks a determinate truth-value in current mathematical practice.

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Indeterminate

My knowledge of set theory and mathematical logic tells me that the Continuum Hypothesis (CH) is independent of the standard Zermelo-Fraenkel set theory with the Axiom of Choice (ZFC). This means that CH cannot be proven either true or false within the framework of these axioms, suggesting that its truth value is not determinate within this system.

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R1 0528
deepseek
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Indeterminate

The continuum hypothesis is independent of the Zermelo-Fraenkel set theory with the axiom of choice (ZFC), meaning it can be neither proven nor disproven within this standard framework. This independence implies it lacks a determinate truth value in current mathematical systems. Consequently, its status remains indeterminate without additional axioms or resolutions.

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