Does not load |amsthm| and also not |amsmath|. Environments like |theorem| or |proof| will not be available.
+ Does not load |amssymb|. This option is mainly intended for users who are loading specialist font packages. Note that |\blacktriangleright| needs to be defined if |itemize| environments are in use.
This template is a parent of |theorem begin| and |theorem end|, see the first for a detailed discussion of how the theorem templates are set.