@article{article, title = {{Meeting of the Association for Symbolic Logic: Orleans, France, 1972.}}, url = {{}}, year = {{1974}}, month = {{1}}, author = {{Calais JP and Derrick J and Sabbagh G}}, volume = {{39}}, journal = {{J. Symb. Log.}}, pages = {{371-389}}, note = {{Accessed on 2024/12/22}}}