Proper sub-APS
From Apstheory
A sub-APS Failed to parse (Can't write to or create math temp directory): H
of an APS Failed to parse (Can't write to or create math temp directory): G is termed proper if there is an index Failed to parse (Can't write to or create math temp directory): n for which Failed to parse (Can't write to or create math temp directory): H_n is a proper subset of Failed to parse (Can't write to or create math temp directory): G_n
.
