Uploaded August 2020 | Updated September 2026, 1 week ago

---

Video on injective functions: youtu.be/0dSb30fE1so

Surjective and bijective functions are functions between sets that have additional conditions that give them special properties. In this video, we explain how those conditions work and how we can use bijections to get information about sets!

0:00 Surjections
2:31 Bijections
4:28 Bijection means same size

Subscribe to see more new math videos!

Music: OcularNebula - The Lopez