5 Commits (0987e3751c0f8d9d4ef0c9abcc168552f6aea033)

Author	SHA1	Message	Date
Alexander Bentkamp	76d1a08948	compute which tactics are available in which level	3 years ago
Alexander Bentkamp	8c4b995a32	rename message to hint	3 years ago
Jon Eugster	e282396a8e	more levels.	3 years ago
Jon Eugster	04c0466fa4	update to lean nightly 22-12-05	4 years ago
Jon Eugster	87f943a08c	levels: negation, nat-basics	4 years ago