# Start here · language & probability

Subject: Natural Language Processing

Exam: M2

Reader: https://deep-learning-study-room.vercel.app/nlp/#m2/read/foundations

Canonical: https://deep-learning-study-room.vercel.app/read/nlp/m2/read-chapter/foundations/

Prerequisites for M2 · no earlier NLP knowledge assumed

1. [What NLP is doing](https://deep-learning-study-room.vercel.app/read/nlp/m2/read/foundations--language/)
2. [Tokens, counts and symbols](https://deep-learning-study-room.vercel.app/read/nlp/m2/read/foundations--notation/)
3. [Probability, without skipped steps](https://deep-learning-study-room.vercel.app/read/nlp/m2/read/foundations--probability/)
4. [Bayes’ rule: prior, evidence and answer](https://deep-learning-study-room.vercel.app/read/nlp/m2/read/foundations--bayes/)
5. [Small probabilities, logs and calculator use](https://deep-learning-study-room.vercel.app/read/nlp/m2/read/foundations--calculator/)