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changed the statement and the proof 2014-03-04 ed4803c
Theorem of formal functions via derived completion

Thanks to Anatoly Preygel
Thanks to Daniel Halpern-Leistner
Thanks to Bhargav Bhatt

This is my attempt at working out what Anatoly, Dan, and Bhargav
suggested is true (in a talk and a conversation). It is made a tad more
difficult perhaps than they intended in that I tried to put it into the
framework of derived completion. On the other hand, one can state a more
general version of the principle in the new section, for example because
one can work with pseudo-coherent complexes everywhere.

What I am not quite sure about is how derived completion behaves when
one doesn't work over a Noetherian scheme and/or when one doesn't work
with pseudo-coherent complexes.
assigned tag 08BY 2012-12-15 0dc0f11
Tags: Added new tags
created statement with label lemma-inverse-limit-complexes in cohomology.tex 2012-12-13 2c3ecb2
Constructing K-injectives

Small improvement in exposition. Of course it would be perhaps more
clear to write this using Rlim.