It clearly was not an omission here, and I suspect one of the motivations for this question in the examination was to test the students' use of quantifiers in formal logic, as opposed to according to the tacit rules and conventions of natural language.
It clearly was not an omission here, and I suspect one of the motivations for this question in the examination was to test the students' use of quantifiers in formal logic, as opposed to according to the tacit rules and conventions of natural language.