@Proceedings{EPTCS332, editor = {Sacerdoti Coen, Claudio and Tiu, Alwen}, year = {2021}, title = {{\rm Proceedings Fifteenth Workshop on} Logical Frameworks and Meta-Languages: Theory and Practice, {\rm Paris, France, 29th June 2020}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {332}, publisher = {Open Publishing Association}, doi = {10.4204/EPTCS.332}, }