Deprecated: $wgMWOAuthSharedUserIDs=false is deprecated, set $wgMWOAuthSharedUserIDs=true, $wgMWOAuthSharedUserSource='local' instead [Called from MediaWiki\HookContainer\HookContainer::run in /var/www/html/w/includes/HookContainer/HookContainer.php at line 135] in /var/www/html/w/includes/Debug/MWDebug.php on line 372
The lower and upper approximations in a hypergroup - MaRDI portal

The lower and upper approximations in a hypergroup (Q942335)

From MaRDI portal





scientific article; zbMATH DE number 5321611
Language Label Description Also known as
English
The lower and upper approximations in a hypergroup
scientific article; zbMATH DE number 5321611

    Statements

    The lower and upper approximations in a hypergroup (English)
    0 references
    0 references
    5 September 2008
    0 references
    rough set
    0 references
    hypergroup
    0 references
    invertible subhypergroup
    0 references
    closed subhypergroup
    0 references
    fuzzy set
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references
    0 references

    Identifiers