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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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There must be a better word than "merely" we can use. In ordinary English, "merely" means "only", and that doesn't work with our use of it. Consider : X and...

After our discussion of \eq and \eqto, I think this make no sense at all: How can we have a English adjectival phrase encoded by a type that is not...

In this text: the predicate `isnType` is undefined. Also, it would look better if the `n` occurred as a subscript, instead of inline.

This is WIP. Related: #169. Progress 4/14.

I struggled with this question when modifying intro.tex, with the object being the square and the ambient type (not exactly the type of the square) the plane or the oriented...

$\mathrm{ad}$ is used here: https://github.com/UniMath/SymmetryBook/blob/33011ebf1fc139cc6f17ab45b5f8db7ae4b4a00a/group.tex#L2356 But is not defined. I guess it means conjugation?

I think this was carried over from an earlier version of this section

We could include a further discussion of deloopings of abelian groups (and homomorphisms) between them, after David Wärn (https://arxiv.org/abs/2301.03685) and bandings (https://arxiv.org/abs/2301.02636). In particular, the type of torsors of a...

* Exercise 2.22.14 omits `p` in the final equation and has tuple brackets in the wrong order. * Lemma 2.23.6 has `n` in two different meanings which is somewhat confusing,...