@inproceedings { 5573, title = {ON MODAL EXPANSIONS OF LEFT-CONTINUOUS T-NORM LOGICS}, booktitle = {ManyVal 2015}, year = {2015}, month = {11/12/2015}, address = {Les Diablerets, Switzerland}, author = {Amanda Vidal and Llu\'{\i}s Godo and Francesc Esteva and F\'elix Bou} }