Martin W. Bunder. Some Consistency Proofs and a Characterization of Inconsistency Proofs in Illative Combinatory Logic. Journal of Symbolic Logic, 52(1):89-110, 1987.
@article{Bunder87, title = {Some Consistency Proofs and a Characterization of Inconsistency Proofs in Illative Combinatory Logic}, author = {Martin W. Bunder}, year = {1987}, tags = {consistency, logic}, researchr = {https://researchr.org/publication/Bunder87}, cites = {0}, citedby = {0}, journal = {Journal of Symbolic Logic}, volume = {52}, number = {1}, pages = {89-110}, }