@article{lmcs:4406, title = {A sequent calculus for a semi-associative law}, author = {Noam Zeilberger}, url = {https://lmcs.episciences.org/4406}, doi = {10.23638/LMCS-15(1:9)2019}, journal = {Logical Methods in Computer Science}, issn = {1860-5974}, volume = {Volume 15, Issue 1}, eid = 9, year = {2019}, month = {Feb}, keywords = {Mathematics - Logic, Computer Science - Logic in Computer Science, Mathematics - Combinatorics}, }