Recognition: 2 theorem links
· Lean TheoremTEC: A Collection of Human Trial-and-error Trajectories for Problem Solving
Pith reviewed 2026-05-10 18:48 UTC · model grok-4.3
The pith
A dataset of human trial-and-error trajectories shows people solve problems more effectively than large language models.
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
Core claim
We introduce the Trial-and-Error Collection (TEC) consisting of 5,370 trajectories and reflections from humans solving 58 tasks. The data shows humans achieve substantially higher accuracy than LLMs, which demonstrates that humans are more effective in trial-and-error than LLMs.
What carries the argument
The TEC annotation platform and dataset that records complete multi-trial trajectories together with post-error reflections on web-based problem-solving tasks.
If this is right
- The trajectories can serve as training data for AI systems to acquire more human-like trial-and-error strategies.
- The platform supports collection of additional data on new tasks to expand coverage.
- Error reflections provide examples that could improve how AI systems respond to and learn from failures.
- The dataset establishes a benchmark for measuring future improvements in AI trial-and-error performance.
Where Pith is reading between the lines
- Extracting common patterns from human reflections could yield targeted techniques to enhance LLM prompting for iterative tasks.
- The data may prove especially useful for training models in domains such as coding or research where repeated testing is central.
- The observed gap indicates that persistent, self-directed exploration across attempts remains a missing capability in current models.
Load-bearing premise
The selected tasks, participant pool, and LLM testing setup produce a fair and generalizable comparison of trial-and-error effectiveness between humans and models.
What would settle it
Evaluating LLMs on the exact same 58 tasks using a comparable multi-attempt setup with error feedback and measuring whether they reach or surpass human accuracy.
Figures
read the original abstract
Trial-and-error is a fundamental strategy for humans to solve complex problems and a necessary capability for Artificial Intelligence (AI) systems operating in real-world environments. Although several trial-and-error AI techniques have recently been proposed, most of them rely on simple heuristics designed by researchers and achieve limited performance gains. The core issue is the absence of appropriate data: current models cannot learn from detailed records of how humans actually conduct trial-and-error in practice. To address this gap, we introduce a data annotation platform and a corresponding dataset, termed Trial-and-Error Collection (TEC). The platform records users' complete trajectories across multiple trials and collects their reflections after receiving error feedback. Using this platform, we record the problem-solving processes of 46 participants on 58 tasks, resulting in 5,370 trial trajectories along with error reflections across 41,229 webpages. With this dataset, we observe that humans achieve substantially higher accuracy compared to LLMs, which demonstrates that humans are more effective in trial-and-error than LLMs. We believe that the TEC platform and dataset provide a valuable foundation for understanding human trial-and-error behavior and for developing more capable AI systems. Platform and dataset are publicly available.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper introduces the Trial-and-Error Collection (TEC) dataset and platform for recording human problem-solving trajectories. 46 participants completed 58 tasks, yielding 5,370 trajectories and post-error reflections across 41,229 webpages. The authors report that humans achieve substantially higher accuracy than LLMs on these tasks and release the data publicly to support research on iterative problem solving.
Significance. The dataset provides a large-scale, publicly available record of detailed human trial-and-error processes with error feedback and reflections, which is a genuine contribution given the scarcity of such data. If the collection protocol is sound, the resource could support training or benchmarking of AI systems on realistic iterative strategies. The concrete collection statistics and public release strengthen the work.
major comments (1)
- [§4] §4 (LLM Evaluation): The claim that humans are substantially more effective at trial-and-error than LLMs rests on the reported accuracy gap, yet the manuscript does not specify whether LLMs were evaluated with an equivalent multi-turn interface, the same error signals, the same number of attempts, or reflection prompts matching the human platform. If LLMs received only single-pass or limited prompting, the gap is attributable to mismatched conditions rather than a difference in trial-and-error capability.
minor comments (2)
- [§3] The task domains and selection criteria for the 58 problems are described only at a high level; adding a table or appendix listing the tasks with brief descriptions would improve reproducibility.
- [§3.2] Participant instructions and the exact wording of the reflection prompts are not quoted verbatim; including them would clarify how reflections were elicited.
Simulated Author's Rebuttal
We thank the referee for their constructive feedback. We address the single major comment below and will revise the manuscript accordingly to improve clarity.
read point-by-point responses
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Referee: [§4] §4 (LLM Evaluation): The claim that humans are substantially more effective at trial-and-error than LLMs rests on the reported accuracy gap, yet the manuscript does not specify whether LLMs were evaluated with an equivalent multi-turn interface, the same error signals, the same number of attempts, or reflection prompts matching the human platform. If LLMs received only single-pass or limited prompting, the gap is attributable to mismatched conditions rather than a difference in trial-and-error capability.
Authors: We thank the referee for highlighting this important aspect of our evaluation. The LLMs were evaluated using a multi-turn interface that provided the same error signals after each attempt, the same maximum number of attempts per task, and reflection prompts that encouraged analysis of prior errors before the next trial, closely matching the human collection protocol. We acknowledge that the original manuscript did not explicitly describe these matching conditions in sufficient detail. In the revised version, we will expand Section 4 with a precise description of the LLM evaluation setup, including the interface, feedback mechanism, attempt limits, and prompting strategy, to make the comparability transparent. revision: yes
Circularity Check
No circularity: empirical data collection with external LLM comparison
full rationale
The paper describes a platform for recording human trial-and-error trajectories on 58 tasks, yielding 5,370 trajectories and reflections. The claim that humans achieve higher accuracy than LLMs is presented as a direct observation from the collected dataset rather than any derivation, fitted parameter, or self-referential prediction. No equations, ansatzes, uniqueness theorems, or model-fitting steps exist in the manuscript. The work is self-contained as a data-release effort whose central empirical finding does not reduce to its inputs by construction.
Axiom & Free-Parameter Ledger
axioms (1)
- domain assumption Web-based task interactions plus written reflections after errors can faithfully record human trial-and-error behavior.
Lean theorems connected to this paper
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IndisputableMonolith/Cost/FunctionalEquation.leanwashburn_uniqueness_aczel unclear?
unclearRelation between the paper passage and the cited Recognition theorem.
We introduce a data annotation platform and a corresponding dataset, termed Trial-and-Error Collection (TEC). The platform records users' complete trajectories across multiple trials and collects their reflections after receiving error feedback... 5,370 trial trajectories along with error reflections across 41,229 webpages.
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IndisputableMonolith/Foundation/ArithmeticFromLogic.leanLogicNat induction and embed_strictMono unclear?
unclearRelation between the paper passage and the cited Recognition theorem.
Humans achieve substantially higher accuracy compared to LLMs, which demonstrates that humans are more effective in trial-and-error than LLMs.
What do these tags mean?
- matches
- The paper's claim is directly supported by a theorem in the formal canon.
- supports
- The theorem supports part of the paper's argument, but the paper may add assumptions or extra steps.
- extends
- The paper goes beyond the formal theorem; the theorem is a base layer rather than the whole result.
- uses
- The paper appears to rely on the theorem as machinery.
- contradicts
- The paper's claim conflicts with a theorem or certificate in the canon.
- unclear
- Pith found a possible connection, but the passage is too broad, indirect, or ambiguous to say the theorem truly supports the claim.
Reference graph
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