Is "the general public" redundant? Or is it different from "the public"?
They are both common expressions that can convey the same meaning. Note that public have also other usages:
It derives from the following connotation of general:
not limited to one class, field, product, service, etc.; miscellaneous:
- the general public; general science.
ordinary people, especially all the people who are not members of a particular organization or who do not have any special type of knowledge:
- This is a matter of great concern to the general public.
all ordinary people:
- The public has a right to know about this.