Examples of Admissible Simplification of Mathematical Theories
Excursus into the History of Calculus
Existence of a Unique group of finite order
Existence of monoids compatible with a family of mappings
Expansion of the infinite product $(1-x)(1-xx)(1-x^3)(1-x^4)(1-x^5)(1-x^6)$ etc. into a simple series
Expérimentation d'une ressource pour une situation de recherche et de preuve entre pairs
Exploring Mount Neverest
Exponentiating $2\times2$ and $3\times3$ Matrices Done Right
Extended finite operator calculus as an example of algebraization of analysis