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The set of paths in a space and its algebraic structure. A historical account

Ralf Krömer (2013)

Annales de la faculté des sciences de Toulouse Mathématiques

The present paper provides a test case for the significance of the historical category “structuralism” in the history of modern mathematics. We recapitulate the various approaches to the fundamental group present in Poincaré’s work and study how they were developed by the next generations in more “structuralist” manners. By contrasting this development with the late introduction and comparatively marginal use of the notion of fundamental groupoid and the even later consideration of equivalence relations...

The theory of definitions in the polish logical literature

Jan Gregorowicz (1991)

Mathématiques et Sciences Humaines

Analysis of some answers to the following questions : is there a generic notion of definition ? What is the difference between “analytic definition” and “synthetic definition” ? What is a good definition ?

Currently displaying 1921 – 1940 of 2277