效绵 Example Uncountable Set ■Proof: suppose R is countable list R according to the bijection f: n f(n) 13.14159. 25.55555.. 30.12345. 40.50000..Example Uncountable Set ◼ Proof:  suppose R is countable  list R according to the bijection f: n f(n) _ 1 3.14159… 2 5.55555… 3 0.12345… 4 0.50000… …