isabelle/valid/amc12a_2009_p2.thy (
10
lines of code) (
raw
):
(* Authors: Albert Qiaochu Jiang *) theory amc12a_2009_p2 imports Complex_Main begin theorem amc12a_2009_p2: "(1 + (1 / (1 + (1 / (1 + 1))))) = (5::real) / 3" by fastforce end