fact: Definition q_of_rs {R : realType} (r s : {prob R}) : {prob R} := locked (Prob.mk (q_of_rs_prob r s)).
imports: mathcomp(all_ssreflect ssralg ssrnum) mathcomp(reals normedtype) mathcomp(mathcomp_extra boolp) mathcomp(lra ring Rstruct)