(<=> (Diagnostic-Method ?A ?B) (And (Exists (?C) (And (Exists (?D) (And (Evaluated-By ?A ?D) (Inverse-Of-Clinical-Relation ?A ?D) (Health-Condition ?A) (*Healthcare-Operator ?D) (Performs ?D ?C))) (Act ?C) (Clinical-Actor ?A ?C) (Health-Condition ?A) (Activity ?C) (Method ?C ?B))) (Clinical-Actor ?A ?B) (Health-Condition ?A) (Abstraction ?B)))