src/Pure/term_sharing.ML
Sun, 20 Nov 2011 15:21:22 +0100 wenzelm clarified certify vs. sharing;
Sat, 23 Jul 2011 20:34:33 +0200 wenzelm defensive Term_Sharing, to avoid extending trusted code base of inference kernel;
Wed, 13 Jul 2011 22:05:55 +0200 wenzelm added term_sharing.ML;
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