wenzelm [Sat, 22 Apr 2017 12:52:16 +0200] rev 65550
clarified parent session images, to avoid duplicate loading of theories;
wenzelm [Fri, 21 Apr 2017 21:41:32 +0200] rev 65549
tuned;
wenzelm [Fri, 21 Apr 2017 21:36:49 +0200] rev 65548
removed pointless document;
blanchet [Fri, 21 Apr 2017 21:37:01 +0200] rev 65547
moved lemmas from AFP to Isabelle
blanchet [Fri, 21 Apr 2017 21:30:48 +0200] rev 65546
moved lemmas from AFP to Isabelle
blanchet [Fri, 21 Apr 2017 21:06:02 +0200] rev 65545
two new induction principles on multisets
wenzelm [Fri, 21 Apr 2017 20:36:20 +0200] rev 65544
merged
wenzelm [Fri, 21 Apr 2017 20:07:51 +0200] rev 65543
clarified session imports;
wenzelm [Fri, 21 Apr 2017 19:43:53 +0200] rev 65542
clarified standard_import: based on Known.get_file as in PIDE editors;
wenzelm [Fri, 21 Apr 2017 18:57:30 +0200] rev 65541
afford unconditional all_known = true (reverting ea42dfd95ec8), for practical usability of qualified imports from arbitrary sessions;