changeset 58889 | 5b7a9633cfa8 |
parent 58127 | b7cab82f488e |
child 63167 | 0909deb8059b |
--- a/src/HOL/Cardinals/Order_Union.thy Sun Nov 02 18:21:14 2014 +0100 +++ b/src/HOL/Cardinals/Order_Union.thy Sun Nov 02 18:21:45 2014 +0100 @@ -4,7 +4,7 @@ The ordinal-like sum of two orders with disjoint fields *) -header {* Order Union *} +section {* Order Union *} theory Order_Union imports Order_Relation