Suppose the domain of discourse is the group of technical support people at horizon technical support (hts), a company specializing in telephone support for its wireless customers. define the following predicates: f(x): x is friendly. h(x): x is k(x): x is knowledgeable translate the following english statements into a logical expression with the same meaning. a. all friendly people at hts are knowledgeable. b. nobody at hts is friendly, , and knowledgeable. c. someone at hts is . d. there is no one at hts who is both friendly and . e. no friendly person at hts is .