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changed the statement 2012-12-11 9639996
Change some indices
assigned tag 0663 2011-05-01 a2646b8
Tags: added new tags
created statement with label lemma-homotopy-koszul in more-algebra.tex 2011-04-28 9856385
Permanence for perfect

	X ---> Y a morphism of schemes over a base S. If X is perfect
	over S and Y is smooth over S, then X ---> Y is perfect.