4 Commits (9a50ea5a78b6e64aa60deae5231fb93c1d2b458a)

Author	SHA1	Message	Date
Joshua Potter	9a50ea5a78	Add length-related theorems and getters.	2023-02-21 07:40:36 -07:00
Joshua Potter	89f22ea1b8	Remove "nil" tuple.	2023-02-20 18:19:12 -07:00
Joshua Potter	c92dee8e3d	Add `Tuple` module for use in mathematical-introduction-logic, chapter 1.	2023-02-20 18:05:15 -07:00
Joshua Potter	e607a0efb0	Break books into separate Lean projects.	2023-02-20 15:19:18 -07:00