@inproceedings{CADE-1994-Platek,
	author        = "Richard Platek",
	booktitle     = "{Proceedings of the 12th International Conference on Automated Deduction}",
	doi           = "10.1007/3-540-58156-1_30",
	isbn          = "3-540-58156-1",
	pages         = "431",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{What is a Proof?}",
	volume        = 814,
	year          = 1994,
}