(* Authors: Albert Qiaochu Jiang *) theory algebra_amgm_faxinrrp2msqrt2geq2mxm1div2x imports Complex_Main begin theorem algebra_amgm_faxinrrp2msqrt2geq2mxm1div2x: "\x. (x>0) \ 2 - sqrt 2 \ 2 - x - 1/ (2 * x)" sorry end