7 Commits (f4ac6ef7fb61b2ed8c655f69545d0e774c17f9e9)

Author	SHA1	Message	Date
Jon Eugster	d2be90a8a0	bump mathlib and use Even/Odd.	3 years ago
Jon Eugster	420f913e69	reorganise world Implication	3 years ago
Jon	44b8edbec3	updates	4 years ago
Jon Eugster	802d748bf4	collapsable side panel	4 years ago
Jon Eugster	87f943a08c	levels: negation, nat-basics	4 years ago
Jon Eugster	5bf0cd9775	first_levels	4 years ago
Alexander Bentkamp	732754c9fc	rework build process	4 years ago