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changed the proof 2018-05-19 31e13a2
Fix three typos in proof 09EE

Thanks to Owen Barrett whose comment is exactly the kind of comment that
we'd like to see more of! Look here:
https://stacks.math.columbia.edu/tag/09EE#comment-3283
changed the statement and the proof 2015-10-03 a54a197
More ramification theory

To me this is almost as bad as henselization; probably means that
there is a lot of room for improvement in the writing of this
material.
changed the statement and the proof 2015-09-30 7c13ab1
Try to improve exposition around structure inertia

The discrete valuation case
changed the proof 2015-09-04 b7b6b78
Abhyankar's lemma

The case of discrete valuation rings; tried to make it maximally general.

I would really appreciate a precise reference to a paper of Abhyankar
where he proved this lemma in some form or other. Thanks!
changed the proof 2013-12-22 e179438
LaTeX

Introduced a macro

\def\Ker{\text{Ker}}

and replace all occurrences of \text{Ker} with \Ker
assigned tag 09EE 2013-08-14 5f65446
Tags: Added new tags
created statement with label lemma-galois-inertia in more-algebra.tex 2013-08-11 0f0e6ee
Standard material about Galois extensions of ff of dvrs