# Lecture 6

This lecture covers more preliminaries of homology, namely cycles and boundaries and hopefully actually defining homology. 

- **Reading:** Dey-Wang Ch 2.4 - 2.5
- **Slides:** 
  - [Lecture 6 slides pdf](CompTop-Lec6-HomologyPt2.pdf)
  - [Transcript of slides](./CompTop-Lec6-HomologyPt2.md)
- **Annotated slides (Fall 2025):** [Lecture 6 slides - Annotated](../Annotated-Fall2025/CompTop-Lec6-HomologyPt2.pdf)  