Tarski Geometry Axioms. Part IV – Right Angle
Coghetto, Roland, Grabowski, Adam
Finite Product of Semiring of Sets
Coghetto, Roland
Cousin’s Lemma
Coghetto, Roland
Semiring of Sets
Coghetto, Roland
Tarski Geometry Axioms. Part III
Coghetto, Roland, Grabowski, Adam
Homography in ℝℙ
Coghetto, Roland
Non-Trivial Universes and Sequences of Universes
Coghetto, Roland
Groups – Additive Notation
Coghetto, Roland
Summable Family in a Commutative Group
Coghetto, Roland
Tarski Geometry Axioms. Part V – Half-planes and Planes
Coghetto, Roland, Grabowski, Adam
Some Facts about Trigonometry and Euclidean Geometry
Coghetto, Roland
A Case Study of Transporting Urysohn’s Lemma from Topology via Open Sets into Topology via Neighborhoods
Coghetto, Roland