Chatty reference · maths1 week 1
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2026-08-16T00:00:00.000Z
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Python Week 1: the first filter for runtime behavior
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ChatGPT archive slice for week 1. ### Week 1 — Set Theory #### Core concepts - Number systems - Natural numbers - Integers - Rational numbers - Real numbers - Sets - Set notation - Set operations - Union - Intersection - Difference - Complement - Relations - Types of relations - Functions - Types of functions #### P...
Week 1 — Set Theory
Core concepts
- Number systems
- Natural numbers
- Integers
- Rational numbers
- Real numbers
- Sets
- Set notation
- Set operations
- Union
- Intersection
- Difference
- Complement
- Relations
- Types of relations
- Functions
- Types of functions
Pattern families
Easy
- Identify number-system membership.
- Perform set operations.
- Determine whether a relation has a given property.
- Determine whether a mapping is a function.
- Identify function type.
Medium
- Multiple set operations.
- Translate word descriptions → sets.
- Determine properties of a relation.
- Determine domain/range from a representation.
- Function classification from mappings/graphs.
Hard
- Combine set reasoning + relation reasoning.
- Infer function properties indirectly.
- Work backwards from constraints.
- Questions where the representation itself is the trap.