Frank Pfenning, Dan Nesmith. Presenting Intuitive Deductions via Symmetric Simplification. In Mark E. Stickel, editor, 10th International Conference on Automated Deduction, Kaiserslautern, FRG, July 24-27, 1990, Proceedings. Volume 449 of Lecture Notes in Computer Science, pages 336-350, Springer, 1990.
Abstract is missing.