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Public repository for Abstact Algebra Theory and Applications
When images were split into two (to live in a `sidebyside`) the `@permid` tended to be duplicated (on `image` and at least once on `figure`), when it is meant to...
Messing up a braille testing app for @zorkow: http://abstract.ups.edu/aata/ssets-ection-sets-and-equivalence-relations.html I suspect an `xml:id` with typos. Could be worth cruising HTML output for any more?
Fix old style numeral used instead of lining numeral
In theorem 17.17, the polynomial is not assumed to be monic. It then refers to Gauss's lemma (theorem 17.14), but that one assumes the polynomial is monic. Only in the...
See https://research.tue.nl/en/publications/pólyas-theory-of-counting
This is pretty minor, but worth mentioning if it hadn't been before. At https://github.com/twjudson/aata/blob/3f8983e52b996228a67dc3f6d624d3baaff61cdc/src/permute.xml#L1586 it looks like in context (such as the hint) like $D_{2n}$ is defined as the dihedral...
Exercise 11.5.1 (in Additional Exercises) id `homomorph-exercise-aut-G` Do you want to say the group operation is composition? Just to be clear what the automorphism group is **exactly**. Problem has `\leq`...
Lemma 15.6 says:  The proof is given like this  : It would be cleaner, I think, to point out that the stabilizer of K is N(K) n H...
This is a proposed fix for issue #55.