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Foundations of mathematics
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Foundations of mathematics
Logic, sets and the formal systems that every other branch of mathematics is built on.
Mathematical logic
4 topics
Propositions and logical reasoning
High school
09/28/2026, 09:32 AM
Predicate logic
Undergraduate
09/28/2026, 04:24 PM
Gödel's incompleteness theorems
Advanced
09/28/2026, 04:24 PM
Model theory
Research
09/28/2026, 04:24 PM
Set theory
4 topics
Sets and set operations
Middle school
09/28/2026, 09:32 AM
Functions and cardinality
Undergraduate
09/28/2026, 04:24 PM
The ZFC axioms
Advanced
09/28/2026, 04:24 PM
Ordinal and cardinal numbers
Advanced
09/28/2026, 04:24 PM
Computability and proof
3 topics
Recursive functions and Turing machines
Undergraduate
09/28/2026, 04:24 PM
Type theory
Research
09/28/2026, 04:24 PM
Formal proof with proof assistants (Lean)
Advanced
09/28/2026, 04:24 PM
Category theory
2 topics
Categories and functors
Advanced
09/28/2026, 04:24 PM
The Yoneda lemma
Research
09/28/2026, 04:24 PM
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