fact: Hypothesis count_rp' : count [pred x | iota x \isn't Num.real] rp' = 2%N.
imports: HB(structures) mathcomp(all_ssreflect all_fingroup all_algebra) mathcomp(all_solvable all_field polyrcf) Abel(various classic_ext map_gal algR) Abel(char0 cyclotomic_ext real_closed_ext)