How many partitions are there of a set with n elements? We'll go over a few examples of counting partitions in today's lesson. We'll also discuss Bell numbers, Bell's triangle, and a recurrence relation for calculating Bell numbers. Lesson on partitions of sets: ◆ Donate on PayPal: ◆ Support Wrath of Math on Patreon: I hope you find this video helpful, and be sure to ask any questions down in the comments! +WRATH OF MATH+ Follow Wrath of Math on... ● Instagram: ● Facebook: ● Twitter: My Music Channel: