Exercices du § 3. Algèbre enveloppante de l'algèbre de Lie libre

Bourbaki sets these at the end of § 3. Algèbre enveloppante de l'algèbre de Lie libre.

4 exercises. No solution has been written for any of them yet.

• Exercice 1
• Exercice 2
• Exercice 3
• Exercice 4 harder