@article{derelabprobingdefeasiblereasoningandconf, title = {DERELAB: Probing Defeasible Reasoning and Confirmation Bias in LLMs with a Generative Benchmark}, author = {Jayanta Sadhu and Sayem Shahad and Kenneth Marino}, year = {2026}, eprint = {2608.30413}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2608.30413}, }