Jonathan Fleischmann. Syntactic Preservation Theorems for Intuitionistic Predicate Logic. Notre Dame Journal of Formal Logic, 51(2):225-245, 2010. [doi]
@article{Fleischmann10-0, title = {Syntactic Preservation Theorems for Intuitionistic Predicate Logic}, author = {Jonathan Fleischmann}, year = {2010}, url = {http://projecteuclid.org/euclid.ndjfl/1276284784}, tags = {logic}, researchr = {https://researchr.org/publication/Fleischmann10-0}, cites = {0}, citedby = {0}, journal = {Notre Dame Journal of Formal Logic}, volume = {51}, number = {2}, pages = {225-245}, }