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changed the statement 2018-10-16 ac65de3
Fix the definition of coverings on CRIS(X/S)

The morphisms in the coverings have to be cartesian. We silently used
this in at least three spots:
(a) checking the coverings satisfy the axioms
(b) for the underline construction
(c) characterizing crystals in quasi-coherent modules
changed the statement 2012-04-01 32db852
Editorial changes

	Try to standardize the notation and flow of the chapter on
	crystalline cohomology.
assigned tag 07IB 2012-02-12 2d9c642
Tags: Added new tags
changed the statement 2012-02-05 a51f3f8
Fix some notation regarding divided power differentials

	Also some of the formulas regarding the  explicit
	thickenings were wrong.
changed the statement 2012-02-04 b633ca4
Catch up with material in lectures
changed the label to definition-big-crystalline-site 2012-01-17 b3800fc
Small and big sites

	Compare them and explain how this lets you do functoriality.
changed the statement 2012-01-17 b3800fc
Small and big sites

	Compare them and explain how this lets you do functoriality.
created statement with label definition-crystalline-site in crystalline.tex 2012-01-17 3338c28
Divided power schemes

	This is crappy notation perhaps...