Wed, 05 Mar 2008 21:24:07 +0100 wenzelm indexing literal facts: exclude background context;
Wed, 05 Mar 2008 21:24:06 +0100 wenzelm put_thms: do not index facts here (affects prems/this/calculation in particular);
Wed, 05 Mar 2008 21:24:03 +0100 wenzelm explicit referencing of background facts;
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