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The contents of the Null surface page were merged into Null hypersurface on 22 July 2015. For the contribution history and old versions of the redirected page, please see its history; for the discussion at that location, see its talk page.

merger Information

There were duplicate articles null surface and null hypersurface. I'm merging the former into this one.-- Fashionslide ( talk) 12:07, 22 July 2015 (UTC) reply