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Questions related from Thomas Krantz
The Chu-Construction allows to obtain a *-autonomous category from the data of a closed symmetric monoidal category and a dualizing element. The Cayley-Dickson-construction builds an algebra B =...
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The definition of an abstract manifold generally starts with the data of an atlas : a family of local charts such that passing from one chart to another is a C^p diffeomorphism. I noticed that in...
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Particle waves are represented by vectors in the field of complex numbers. Their norm expresses probability of finding the particle at a certain location. Is the use of the field of complex...
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Franz Brentano's book On the Several Senses of Being in Aristotle describes the different modalities of being. How are these related to Syllogistics and finally to modern logics and category theory?
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For the pre-Socratic philosopher Heraclitus the world is moved by the struggle of opposite forces. (See https://en.wikipedia.org/wiki/Unity_of_opposites ) Much later, in the 19th century, Hegel,...
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