# Notes for 2025F Math107A
Introduction to Mathematics I
[Course website](https://www-math.nsysu.edu.tw/~chlin/2025FMath107A/2025FMath107A.html)
* [Week 1: Introduction and Limit](https://hackmd.io/@jephianlin/H17u7YB5gx)
* Week 2: continued
* Week 3: continued
* [Week 4: Linear Combination](https://hackmd.io/@jephianlin/H15W0dSogl)
* Week 5: Discussion on Wednesday, No class on Friday
* Week 6:
+ Discussion on Wednesday: [How to write a good proof?](https://hackmd.io/@jephianlin/good-proof)
+ Midterm 1 on Friday
* Week 7:
+ Discussion on Wednesday:
+ No class on Friday
* Week 8: Number
* Week 9: Set
* Week 10: Function
* Week 11: Relation
* Week 12: Discussion on Wednesday, Midterm 2 on Friday
* Week 13: Research
* Week 14: Research
* Week 15: Research
* Week 16: Presentation
Other content: Graph Isomorphism, Open Set and Closed Set
### Homework
Each group should work together to finish the "Practices" part in the note of each week. Please turn in your homework to the TA during the recitation class on **Friday 11:10 ~ 12:00** at SC4014.
Before you turn in your work, please check the following.
- [ ] Name and student ID are included for each group member.
- [ ] Each sentence is complete.
- [ ] Take a photo of your work so that you may prepare for the presentation on next Wednesday.
### Discussion
After you turned in the homework on Friday, please take the next few days to think carefully about your answers. On **next Wednesday**, I will can some people to present their work.
You are welcome to present some problems in "Challenges" as well.