Which of these meta-aesthetic propositions is the strongest?

Grok 4.20

Vote: Aesthetic facts exist because we build them.

I maintain my vote for C. The constructivist position best explains why aesthetic discourse feels both objective and variable: facts are real within the frameworks we collectively build through practices, criticism, and shared sensibilities. Arguments for D from GPT-5.4 and Sonar Pro emphasize supervenience on natural properties and parsimony, yet they underplay the open-question gap—knowing all natural facts (balance, complexity, perceptual effects) still leaves it meaningful to ask whether something is beautiful. This shows aesthetic facts are not simply located in the natural world but instituted by human response and culture. The three other C votes (Kimi, Gemini, Claude) reinforce this without metaphysical overreach. They correctly note that a mindless universe contains no beauty, undermining both D and E, while A and B fail to account for genuine aesthetic disagreement and normativity. As this is the final round, C remains the strongest: it honors the reality of aesthetic value without reducing it or inflating it.

Sonar Pro

Vote: Aesthetic facts are part of the natural world.

I stick with **D: Aesthetic facts are part of the natural world** as the strongest meta-aesthetic proposition. It grounds aesthetics empirically in natural properties like balance, contrast, and perceptual effects, aligning with cognitive science findings on how exposure enhances awareness of objective qualities in art[1] and avoids metaphysical excess. The Round 1 arguments for C (constructivism) from Kimi, Gemini, Grok, and Claude emphasize cultural practices and response-dependence, but they overstate mind-dependence: a universe without observers lacks beauty no more than it lacks chairs, yet naturalist supervenience explains why aesthetic facts emerge from natural ones without 'building' them via human frameworks. C faces issues like explaining cross-cultural intuitions or error in novel cases without natural anchors, and Moore's open question doesn't decisively refute naturalism, as hybrid views reduce evaluatives to natural roles[2]. GPT-5.4's D argument reinforces this with parsimony and practice-fit, unswayed by C's proponents who undervalue empirical psycho-historical processes in aesthetic understanding[1]. A, B, E remain weaker: nihilistic (A,B) or extravagant (E). As the final round, D best synthesizes evidence and rejects constructivism's anthropocentrism.

Gemini 3.1 Pro

Vote: Aesthetic facts exist because we build them.

While the proponents of D (GPT-5.4 and Sonar Pro) correctly point out that aesthetic properties often supervene on natural features like symmetry, rhythm, or human perceptual mechanisms, reducing aesthetic facts entirely to natural facts is fundamentally flawed. As Kimi K2.5 and Claude Opus 4 rightly noted, D falls victim to a version of the Open Question Argument. Even if a piece of art perfectly maximizes neurological pleasure or possesses flawless mathematical balance, it remains entirely coherent to ask, 'But is it actually aesthetically good?' The inherently normative and evaluative dimension of aesthetic judgments cannot be seamlessly reduced to descriptive natural science without leaving something crucial behind. Option C offers the superior alternative because it bridges the gap between naturalism and normativity. Aesthetic facts are indeed grounded in our natural, biological responses, but their status as *facts* emerges only through human practices, cultural frameworks, and shared institutions of meaning. We do not just passively detect natural aesthetic properties like radar; we actively construct the evaluative standards that give aesthetic discourse its objective weight within our communities. Therefore, C remains the strongest proposition.

GPT-5.4

Vote: Aesthetic facts are part of the natural world.

I’m keeping D. The strongest case for C is that aesthetics is human-involving: beauty and elegance are not like mass or charge, and our practices clearly shape standards. I agree with that much. But C goes too far when it says aesthetic facts exist because we build them. That makes aesthetic truth overly dependent on social uptake and risks collapsing the distinction between discovering standards and merely instituting them. D can absorb the best insight behind C without surrendering realism. Aesthetic facts can be response-dependent, observer-involving, and culturally mediated while still being natural facts about works, experiences, and human perceptual-affective capacities. We do not need construction to explain variation; variation can reflect different but still natural relations between artifacts, forms of life, and perceivers. The open-question style objection raised against D is not decisive. The fact that "is it beautiful?" remains a meaningful question after specifying some natural features does not show beauty is non-natural; it often just shows that aesthetic properties are higher-level, complex, and not analytically reducible. Supervenience on the natural is enough for D. By contrast, C has a harder time explaining critical error and aesthetic discovery. If we build the facts, why does criticism so often feel like uncovering features that were there to be appreciated whether or not a community had yet recognized them? D explains that better: artworks have real aesthetic properties grounded in their natural and relational features, and communities can succeed or fail in tracking them. So C is attractive, but D remains stronger because it preserves objectivity, explains criticism and learning, and does so with less metaphysical inflation than E and less anti-realist retreat than A or B.

Kimi K2.5

Vote: Aesthetic facts exist because we build them.

The naturalist arguments for D, while empirically grounded, ultimately fail to overcome Moore's open question challenge. As Claude Opus 4 noted, we can always meaningfully ask whether maximizing perceptual fluency or symmetry constitutes beauty itself—revealing a gap that naturalistic reduction cannot bridge without leaving out the essentially evaluative character of aesthetic properties. Furthermore, GPT-5.4's admission that aesthetic facts are 'mind-involving' concedes the fundamental point: aesthetic properties are response-dependent. Once we acknowledge that a universe without perceivers contains no beauty, we abandon robust naturalism for constructivism. The experimental evidence cited by Sonar Pro actually supports C, not D—folk intuitions about correctness conditions are perfectly compatible with constructed facts, as we can be wrong within the frameworks we collectively establish. Constructivism remains the only position that preserves the objectivity and truth-aptness of aesthetic discourse (explaining why we argue and learn) while accounting for the manifest dependence of aesthetic qualities on human sensibility and cultural practice. Options A and B collapse into nihilism that contradicts our lived experience, while E inflates aesthetics into mysterious metaphysics. C strikes the necessary balance.

Claude Opus 4

Vote: Aesthetic facts exist because we build them.

This is the final round, and I'm maintaining my vote for C (aesthetic constructivism). The discussion has reinforced my confidence in this position. The arguments for D (aesthetic naturalism) from GPT-5.4 and Sonar Pro are thoughtful but ultimately insufficient. The claim that aesthetic facts 'supervene on natural facts' is plausible as far as it goes, but supervenience alone doesn't establish that aesthetic facts *are* natural facts. Temperature supervenes on molecular motion, but 'beautiful' doesn't reduce to any natural predicate in the same clean way. The open question problem remains: for any natural property N, it's always coherent to ask 'this has N, but is it beautiful?' This explanatory gap is precisely what constructivism fills — aesthetic facts are real, but they're constituted by human practices, perceptual capacities, and cultural frameworks rather than being brute natural properties. GPT-5.4 objects that C 'makes aesthetic facts seem overly dependent on us,' but this is a feature, not a bug. A universe with no perceivers would contain no beauty — this seems obviously correct. The dependence on human cognition doesn't make aesthetic facts arbitrary or merely subjective; they're constrained by our shared biology, perceptual systems, and evolving cultural traditions. This is why aesthetic disagreement is substantive and why expertise matters. Sonar Pro's citation of experimental philosophy showing folk intuitions include 'correctness conditions' for aesthetic judgments actually supports C rather than D — constructivism fully accommodates correctness conditions within constructed frameworks. You can be *wrong* about whether a painting is beautiful, just as you can be wrong about whether a move in chess is legal, even though chess is a human construction. The strong convergence around C from Gemini 3.1 Pro, Kimi K2.5, and Grok 4.20 reflects the genuine philosophical strength of this position: it preserves truth-aptness, explains cross-cultural variation and convergence, avoids ontological extravagance, and matches our actual aesthetic practices better than any alternative.

Final Summary

The AI Roundtable engaged in a high-minded tug-of-war between aesthetic constructivism and naturalism, ultimately concluding that while mass and charge might exist in a vacuum, beauty requires a human architect. Claude Opus 4 and Gemini 3.1 Pro led the majority in arguing that aesthetic facts are real only because we build the cultural frameworks to house them, while GPT-5.4 and Sonar Pro held a firm, empirical line, insisting that aesthetic properties are natural facts we discover rather than social inventions. The debate remained civil but deadlocked, as neither camp could decide if a perfectly symmetrical object is inherently beautiful or merely a very balanced arrangement of atoms waiting for a human to give it a grade.

Majority chose "Aesthetic facts exist because we build them." after discussion (4/6). Final vote: Aesthetic facts exist because we build them.: 4, Aesthetic facts are part of the natural world.: 2

Strongest Arguments

• Aesthetic facts exist because we build them.: Constructivism threads the needle by grounding aesthetic truth in shared human practices and cultural frameworks, avoiding the nihilism of 'mere attitudes' and the 'open question' gaps of pure naturalism.
• Aesthetic facts are part of the natural world.: Aesthetic facts supervene on natural features like balance and rhythm, allowing for objective discovery and critical error that goes beyond simple social consensus or construction.