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History of tag 055J

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type time link
changed the proof 2019-04-06 f4841e1
Who is Y?

Thanks to Name*
https://stacks.math.columbia.edu/tag/055C#comment-4059
changed the statement 2014-11-04 2a30a4f
Slogans by Simon Pepin Lehalleur
changed the proof 2012-05-10 3f35f36
zerodivisor and nonzerodivisor

	Seems better this way.
changed the proof 2011-08-10 65ce54f
LaTeX: \Spec

	Introduced the macro

	\def\Spec{\mathop{\rm Spec}}

	and changed all the occurences of \text{Spec} into \Spec.
changed the proof 2010-11-26 2d16a4e
Move material into more-algebra.tex
assigned tag 055J 2010-09-04 402ce88
Added new tags
created statement with label lemma-connected-flat-over-dvr in more-morphisms.tex 2010-09-03 20b41b3
Openness of X^0

	Let f : X ---> Y be a flat morphism of finite presentation. let
	s be a section of f. If all the geometric fibres of f are
	reduced then X^0 is open in X.