@InProceedings{kuusisto_et_al:LIPIcs.CSL.2012.470, author = {Kuusisto, Antti and Meyers, Jeremy and Virtema, Jonni}, title = {{Undecidable First-Order Theories of Affine Geometries}}, booktitle = {Computer Science Logic (CSL'12) - 26th International Workshop/21st Annual Conference of the EACSL}, pages = {470--484}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-939897-42-2}, ISSN = {1868-8969}, year = {2012}, volume = {16}, editor = {C\'{e}gielski, Patrick and Durand, Arnaud}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CSL.2012.470}, URN = {urn:nbn:de:0030-drops-36910}, doi = {10.4230/LIPIcs.CSL.2012.470}, annote = {Keywords: Tarski’s geometry, undecidability, spatial logic, classical logic} }