Joshua Potter 9a50ea5a78 Add length-related theorems and getters.		2023-02-21 07:40:36 -07:00
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Sequence	Add `Tuple` module for use in mathematical-introduction-logic, chapter 1.	2023-02-20 18:05:15 -07:00
Tuple.lean	Add length-related theorems and getters.	2023-02-21 07:40:36 -07:00