Hauke, S.P. and Wałęga, P.A. 2026. Aggregate-Combine-Readout GNNs Can Express Logical Classifiers Beyond the Logic C2. Proceedings of the AAAI Conference on Artificial Intelligence. 40, 26 (Mar. 2026), 21594–21601. DOI:https://doi.org/10.1609/aaai.v40i26.39308.