Set Theory
October 21, 2020
Concepts # Relations Cardinality Binary Relation Symmetric Relation Transitive Relation Cartesian Product Reflexive …
Brain dump
Teaching
October 21, 2020
The Feynman Technique #
Math
October 26, 2020
Real Analysis Differential Geometry Linear Algebra Topology Set Theory General Concepts # Bijective Function # …
Chemistry
October 21, 2020
Articles # Phosphine, Life, and Venus
Biology
October 21, 2020
Articles # Phosphine, Life, and Venus
Triangle Inequality
October 21, 2020
For any triangle, the sum of the lengths of any two sides must be greater than or equal to the length of the remaining …
Topology
October 21, 2020
Concepts # Metric Space Open Balls Neighborhood Manifold Topological Space
Topological Space
October 21, 2020
An ordered pair \((X, \tau)\), where \(X\) is a set and \(\tau\) is a collection of subsets of \(X\) satisfying: The …
The Feynman Technique
October 21, 2020
A four-step process to test your understanding of a given subject matter. Get a piece of paper and write the name of … ...
Surjective Function
October 21, 2020
A function is surjective or “onto” if For every \(y \in Y\), there exists \(x \in X\) such that \(f(x) = …