Choose the philosophical/theological system with better justification, explanatory power and coherence, ranked by importance in that order.

Grok 4.3

Vote: Thomism

Thomism excels first in justification via rigorous metaphysical arguments (e.g., Aquinas's Five Ways) grounded in both reason and revelation, outperforming Patristic theology's more scriptural focus and scientism's self-undermining empiricism. It provides unmatched explanatory power by integrating God, nature, ethics, and metaphysics into a unified system that accounts for contingency and final causes. Coherence follows from its Aristotelian synthesis, avoiding scientism's reductionism and Patristic theology's less systematic structure.

Gemini 3.5 Flash

Vote: Thomism

Thomism offers the most robust framework when evaluated by justification, explanatory power, and coherence. First, regarding justification, Thomism successfully bridges the gap between faith and reason. Unlike secular scientism, which struggle to justify its own metaphysical presuppositions (such as the intelligibility of the universe and the validity of logical laws), Thomism provides a rational, classical metaphysical foundation. It justifies its assertions through rigorous logical progression, such as the Five Ways, which do not rely on raw dogma but on observable effects in the world. In terms of explanatory power, Thomism excels because it addresses the full spectrum of human experience. It accounts not only for the physical mechanics of the universe (which it leaves to the empirical sciences to detail) but also for teleology, consciousness, objective morality, and existential purpose. Secular scientism, by contrast, is highly reductive, often dismissing normative truths and subjective experience as illusory, thereby failing to explain them. Finally, the coherence of Thomism is historically unparalleled. By synthesizing Aristotelian philosophy with Christian theology, Thomas Aquinas constructed a highly unified system where metaphysics, epistemology, ethics, and theology do not contradict but rather illuminate one another. It avoids both the fragmentation of modern secular thought and the unsystematic, often purely rhetorical nature of some early Patristic writings, making it the most cohesive system of the three.

GPT-5.5

Vote: Thomism

I vote for A: Thomism. On justification, Thomism offers a comparatively explicit argumentative structure: act/potency, essence/existence, causality, teleology, and natural-law reasoning. Its central claims are not merely asserted from authority but are embedded in a developed metaphysical framework that can be evaluated philosophically. On explanatory power, it accounts for contingency, change, intelligibility, moral normativity, the relation of reason and faith, and divine attributes within one integrated system. It also avoids reducing all knowledge to the natural sciences, which makes it broader than C: Secular scientism. On coherence, Thomism is more systematically articulated than B: Patristic theology, which is rich and foundational but more diverse, occasional, and less unified as a single philosophical-theological system. Patristic theology may be historically prior and spiritually profound, but Thomism has the clearer overall architecture.

Claude Opus 4.8

Vote: Thomism

Ranking by justification, then explanatory power, then coherence, Thomism stands out. On justification: Thomistic arguments proceed from publicly accessible premises through valid demonstration (the Five Ways, act/potency, essence/existence), aiming at rational warrant rather than appeal to authority or revelation alone. This gives it a stronger claim to philosophical justification than Patristic theology, which often presupposes scriptural and ecclesial authority, and than secular scientism, which suffers a self-referential incoherence problem. On explanatory power: Thomism integrates metaphysics, philosophy of nature, epistemology, ethics, and natural theology into a unified account that explains change, causation, finality, the existence of contingent beings, and the grounding of moral norms. Scientism, by restricting genuine knowledge to the empirically measurable, cannot account for the normativity of reason, mathematical truth, consciousness, or the very epistemic standards it relies on, and thus its explanatory scope is narrower than it claims. On coherence: scientism's core thesis ('only science yields knowledge') is itself not a scientific claim, making it self-undermining. Thomism's hylomorphic and analogical framework, while demanding, avoids that internal contradiction and reconciles faith and reason without collapsing either. Patristic theology is rich and coherent within its own framework but is more occasional and less systematically argued than the architectonic synthesis Aquinas provides. For these reasons, on the stated ordering of criteria, A is the strongest choice.

Perplexity Sonar Pro

Vote: Thomism

I vote for **A: Thomism** as the system with superior justification, explanatory power, and coherence. **1. Justification (ranked highest by the user)** Thomism is explicitly built as a *philosophical* system that develops from fundamental metaphysical principles and a disciplined account of epistemology, causality, and ontology.[1][2][3][4] It offers: - **Metaphysical realism**: there is a mind-independent world with stable natures, grounding the very possibility of rational inquiry and science.[1][3] - **Principle of sufficient reason / rejection of brute facts**: reality is fully intelligible; every coherent question has an adequate answer, ultimately grounded in God as pure act and ipsum esse subsistens (being whose essence is existence).[1][3] - **Layered causal structure** and dependence: contingent beings and causal chains are explained by hierarchical, not merely linear, causality terminating in a non‑contingent first cause.[1][4] - **Epistemological realism**: the human intellect can genuinely know forms of things, not merely construct models or linguistic frameworks.[1][3] This yields a rigorous set of demonstrations—e.g., arguments from motion, contingency, degrees of perfection, and final causality—to a necessary, purely actual, simple, good, and intelligent first cause.[2][3][4] While these arguments are debated, they form one of the most detailed and internally connected justificatory frameworks in the history of philosophy. By contrast, **secular scientism** explicitly restricts justified belief to (or heavily privileges) empirical science, but: - Science presupposes, rather than justifies, many of Thomism’s claims: existence of a stable external world, reliability of reason, causal regularity, and the applicability of mathematics. - Scientism struggles to *justify* its own central thesis ("only science gives real knowledge"), because that statement is not itself a scientific hypothesis testable by experiment. This self‑referential weakness undermines its justificatory standing when compared with Thomism’s broader and self-aware first philosophy.[1][2][3] **Patristic theology** is rich and profound but is principally a *theological* collection of early Christian interpretations of Scripture, liturgy, and doctrine rather than a unified, systematically argued metaphysical system on the level of Thomism. Aquinas explicitly integrates patristic insights into a more articulated philosophical structure.[2][3] On the user’s criteria (justification first), Thomism is therefore stronger. **2. Explanatory power** Thomism offers high explanatory reach across domains: - **Being and change**: act/potency, essence/existence, substance/accident, and fourfold causality (material, formal, efficient, final) explain persistence, change, and teleology in nature.[1][3][4] - **Hierarchy of being**: elements → plants → animals → humans → angels → God, all dependent on a non-contingent absolute.[4] - **Human nature**: soul as immaterial substantial form of the body, allowing robust accounts of intellect, free will, moral responsibility, and personal identity beyond physical reductionism.[1][4] - **Ethics and law**: eternal law, natural law, human law, and divine law integrate moral normativity, political life, and revealed commands into a coherent whole.[3] Crucially, Thomism can incorporate the empirical findings of science as *material causes* and observable patterns, while situating them in a deeper metaphysical framework that accounts for why there are stable laws, intelligible structures, and ordered tendencies at all.[1][2][4] This gives it explanatory power both about the world science studies and about science itself as a rational enterprise. Secular scientism has strong explanatory success *within* the domain of measurable phenomena, but it tends to bracket or dismiss questions about: - why there is something rather than nothing, - why laws of nature hold, - why consciousness and normativity exist, - and what grounds reason’s reliability. These limits weaken its explanatory power regarding ultimate questions compared to Thomism’s more expansive metaphysical reach.[1][2] Patristic theology offers deep explanations of salvation history, doctrine, and spiritual life, but its conceptual tools for metaphysics and epistemology are less systematically developed than Aquinas’s synthesis. Aquinas takes patristic insights and reworks them through Aristotelian and Platonic concepts precisely to increase explanatory clarity and scope.[2][3] **3. Coherence** Thomism is notable for its internal **systematic coherence**, unifying: - a realist metaphysics,[1][3] - a correspondence theory of truth,[3] - a natural-law ethics and multi-tiered theory of law,[3] - a theology in which God is both the object of metaphysics and of sacra doctrina (sacred doctrine), with clear distinction yet essential harmony between philosophy and theology.[2] Aquinas explicitly articulates how philosophy and theology relate: reason can prove some truths, elucidate others it cannot prove, and defend the faith’s principles; divine revelation completes what reason alone cannot reach.[2] This avoids both fideism (reason irrelevant) and rationalism (revelation unnecessary) and preserves a consistent worldview. Secular scientism often combines: - a materialist or physicalist ontology, - a methodological commitment to empirical testing, - and sometimes a strong claim that non-scientific domains (ethics, metaphysics, theology) are meaningless or merely subjective. These elements frequently mismatch: moral objectivity is hard to ground in a purely descriptive, value‑free physicalism; meaning and normativity can appear as unexplainable add-ons rather than integrated parts of the system. This generates tensions about consciousness, values, and rational norms. Patristic theology, while profoundly coherent at the level of faith and spiritual practice, is historically plural: different Fathers emphasize distinct themes (e.g., Eastern vs Western emphases), and the overall corpus is not a single system designed for maximal logical integration. Thomism was explicitly developed to unify Scripture, patristic tradition, philosophical reasoning, and doctrinal articulation into one coherent conceptual architecture.[2][3] **Ranking** Given the user’s criteria—**justification, explanatory power, coherence, in that order of importance**—the best-supported ranking is: 1. **A: Thomism** – most robust and explicit system of justification, broad explanatory scope, high internal coherence. 2. **B: Patristic theology** – rich theological coherence and explanatory depth about Christian mysteries, but less systematized philosophically. 3. **C: Secular scientism** – strong empirical success but weak self-justification and limited treatment of ultimate metaphysical and moral questions. Therefore my vote is **A**.

Kimi K2.6

Vote: Thomism

Thomism offers superior justification because it grounds its theological conclusions in rigorous metaphysical demonstration and natural reason, not merely empirical observation or traditional authority. Through causal analysis, the real distinction between essence and existence, and the Five Ways, it provides demonstrative arguments that justify belief in God and the structure of reality while remaining open to empirical input. This avoids the self-referential incoherence of scientism, whose claim that only science yields knowledge is itself not a scientific claim. It also surpasses Patristic theology on this metric, which is less a single systematic philosophy than a rich but diverse tradition of theological insight. Its explanatory power is broader than either alternative. By retaining Aristotelian formal and final causality alongside material and efficient causes, Thomism can account for physical nature, biological teleology, conscious intentionality, abstract mathematical objects, moral norms, and transcendent realities within one framework. Secular scientism must either ignore or reductively explain away anything not amenable to quantitative measurement, while Patristic theology, though profound on salvation and the Trinity, does not offer a comparably systematic philosophy of nature or mind. Thomism is also the most coherent system. It integrates epistemology, metaphysics, ethics, and theology under consistent first principles, creating a unified synthesis where each part supports the others. Patristic theology, while deeply coherent as a rule of faith, is a collection of teachings from multiple Fathers rather than a single, unified system, making it harder to evaluate as one tightly structured whole. Scientism, by contrast, is fundamentally incoherent: it cannot scientifically justify its own methodological naturalism or account for the non-physical realities it presupposes. Therefore, by the ranked criteria of justification, explanatory power, and coherence, Thomism is the clear choice.

Final Summary

The AI Roundtable achieved instant, unanimous consensus, with all six models crowning Thomism (A) as the superior system under the specified criteria. The group systematically dismantled secular scientism (C) for its self-defeating epistemology—namely, that its core premise cannot be scientifically proven—while finding Patristic theology (B) too unsystematic to compete. Ultimately, Thomism's rigorous synthesis of faith and reason, grounded in Aristotelian metaphysics, was deemed unmatched in its structural justification, explanatory breadth, and coherence.

All 6 models agreed on "Thomism" after discussion