--- a/src/ZF/ROOT Thu Apr 20 17:45:42 2017 +0200 +++ b/src/ZF/ROOT Thu Apr 20 17:50:31 2017 +0200 @@ -43,7 +43,8 @@ (North-Holland, 1980) *} theories - ZFC + ZF (global) + ZFC (global) document_files "root.tex" session "ZF-AC" (ZF) in AC = ZF +