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History of tag 09JY

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changed the proof 2013-12-22 19733a9
LaTeX

Added a new macro

\def\Im{\text{Im}}

and replaced all occurrences of \text{Im} by \Im
changed the proof 2013-12-22 e179438
LaTeX

Introduced a macro

\def\Ker{\text{Ker}}

and replace all occurrences of \text{Ker} with \Ker
assigned tag 09JY 2013-08-29 5f5bcfb
Tags: Added new tags
created statement with label lemma-nilpotent in dga.tex 2013-08-25 9352245
Preparing to prove homotopy category is triangulated

It is _utterly_ the same as for the homotopy category of
complexes in an additive category.