Wed, 06 Feb 2008 16:06:40 +0100 lemma wf_union_compatible: "wf R ==> wf S ==> S O R <= R ==> wf (R Un S)"
krauss [Wed, 06 Feb 2008 16:06:40 +0100] rev 26044
lemma wf_union_compatible: "wf R ==> wf S ==> S O R <= R ==> wf (R Un S)"
Wed, 06 Feb 2008 12:51:23 +0100 between constant removed
chaieb [Wed, 06 Feb 2008 12:51:23 +0100] rev 26043
between constant removed
Wed, 06 Feb 2008 08:34:51 +0100 continued
haftmann [Wed, 06 Feb 2008 08:34:51 +0100] rev 26042
continued
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