TREE(3) (extra footage) - Numberphile TREE(3) (extra footage) - Numberphile begin-post-stats Numberphile2 • 169K views end-post-stats begin-duration 11:02 end-duration Math topics: _Set_theory_##Set theory##_Set_(mathematics)_##Set (mathematics)##_Finite_set_##Finite set##_Cantor's_diagonal_argument_##Cantor's diagonal argument##_Combinatorics_##Combinatorics##_Combinatorics_##Combinatorics##_Joseph_Kruskal_##Joseph Kruskal##_Universe_(mathematics)_##Universe (mathematics) Other topics: _Mathematical_logic_##Mathematical logic##_Kruskal's_tree_theorem_##Kruskal's tree theorem##_Ordinal_arithmetic_##Ordinal arithmetic##_Proof_theory_##Proof theory##_Physical_cosmology_##Physical cosmology##_Gravitational_collapse_##Gravitational collapse##_Big_Bang_##Big Bang##_Cosmology_##Cosmology##_Observational_cosmology_##Observational cosmology video-id: IihcNa9YAPk channel_Numberphile2_ So What Learning Combinatorics , Mathematical logic , Physical cosmology , Set theory Saturday, January 20, 2018 Share Share