This book will be an undergraduate textbook written in the univalent style, taking advantage of the presence of symmetry in the logic at an early stage.
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In addition, there is this list of other topics at the beginning of the chapter:
Quotients; subspaces (= ?). Bases and so. Dual space; orthogonality. (all of this depends on good implementations of subobjects). Eigen-stuff. Characteristic polynomials; Hamilton-Cayley.
I would say that pythagorean fields, euclidean fields, and quadratically closed fields need not be taught. The rest is standard in undergraduate algebra courses.
The current list of sections of chapter 8 in the Symmetry Book on fields is as follows:
In addition, there is this list of other topics at the beginning of the chapter: Quotients; subspaces (= ?). Bases and so. Dual space; orthogonality. (all of this depends on good implementations of subobjects). Eigen-stuff. Characteristic polynomials; Hamilton-Cayley.
However, in https://github.com/UniMath/SymmetryBook/issues/140#issuecomment-1172912984 Ulrik Buchholtz implied that covering this many topics is no longer appropriate for this book, and that the scope of this chapter would need to be narrowed down. Which topics in the list above should be kept, and which topics should be removed from the list?