Update textbook.en.md

5 years ago · 2b25d7f187
1 changed files with 3 additions and 0 deletions
--- a/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/20.n2/10.main/textbook.en.md
+++ b/00.brainstorming-pedagogical-teams/40.collection-existing-pedagogical-content/42.relativistic-mechanics/20.n2/10.main/textbook.en.md
@ -3,6 +3,9 @@ title: les relativités niveau 2
 published: true
 routable: true
 visible: false
+lessons:
+    - slug: relativity-linear-2
+      order: 1
 ---

 Les relativités niveau 2 : main