Later, with more and more research on computers, the content of discrete mathematics became more and more, including almost all elementary (some may not be so elementary) mathematics parts. Mainly includes:
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2. Group theory
3. Probability theory
4. Graph theory
5. Combinatorial theory
In a word, computers are tools for studying nature, so whenever mathematics is included in nature, it has to be included.
Among them, number theory, group theory and probability theory have already existed, not because of computer research. But graph theory and combinatorial theory really rise because of the research of computers.
Besides, the current discrete mathematics course. It is absolutely unrealistic to tell all the number theory, group theory, probability theory, graph theory and combinatorial theory to the computer department ... even if it is just a taste. But it can't be completely said, only the simplest part can be taken out to form a discrete mathematics course. Discrete mathematics generally includes:
Logic: This may be the only thing that belongs to its own discrete mathematics, because it has not yet developed into an independent discipline.
Graph theory: Maybe this part is more, because there are too many places where computers use graph theory.
Combinatorial theory: it is almost the arrangement and combination of high school.
Group theory: this thing is actually very useful, but it is too difficult to talk about. You can only say a few words to express your feelings.
Generally speaking, I can't speak number theory, so I really don't have time.
Not to mention probability theory, there will be a separate course.
In addition, because we only talk about the simplest and most basic things, these subjects are separated, and it doesn't matter who comes first.