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History of tag 04PS

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type time link
changed the proof 2018-10-22 bc09a08
Typo in algebra

Thanks to Shanbei
https://stacks.math.columbia.edu/tag/04PS#comment-3573
changed the statement 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 2011-06-16 93ac3fc
Fixing references

	This time we're fixing the type of the reference
assigned tag 04PS 2010-06-02 90566d1
Added new tags
created statement with label lemma-pure in algebra.tex 2010-06-02 1369213
Pure ideals

	Added a section to the algebra chapter on pure ideals. An ideal
	is pure when the quotient of the ring by it is flat. Pure ideals
	correspond 1-1 with closed subsets which are stable under
	generalizations.