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a) but is it an element as well??

b) can it be an element of itself ?

c) or even a subset of itself??

example

[tex]\oslash[/tex] [tex]\in\oslash[/tex] is this true??

[tex]\oslash\subset[/tex][tex]\oslash[/tex]

[tex]\oslash[/tex][tex]\subseteq[/tex]

[tex]\oslash[/tex][tex]\in{\oslash}[/tex]

[tex]\oslash[/tex][tex]\subset[/tex][tex]\oslash[/tex]

[tex]\oslash[/tex]