import Bookshelf.Enderton.Set.Chapter_1 import Bookshelf.Enderton.Set.Chapter_2 import Bookshelf.Enderton.Set.Chapter_3 import Bookshelf.Enderton.Set.Chapter_4 import Bookshelf.Enderton.Set.Chapter_6 import Bookshelf.Enderton.Set.OrderedPair import Bookshelf.Enderton.Set.Relation /-! # Elements of Set Theory ## Enderton, Herbert B. ### LaTeX Full set of [proofs and exercises](Bookshelf/Enderton/Set.pdf). ### Lean * [Chapter 1: Introduction](Bookshelf/Enderton/Set/Chapter_1.html) * [Chapter 2: Axioms and Operations](Bookshelf/Enderton/Set/Chapter_2.html) * [Chapter 3: Relations and Functions](Bookshelf/Enderton/Set/Chapter_3.html) * [Chapter 4: Natural Numbers](Bookshelf/Enderton/Set/Chapter_4.html) * [Chapter 6: Cardinal Numbers and the Axiom of Choice](Bookshelf/Enderton/Set/Chapter_6.html) -/