MathML Set Theory Symbols

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Symbol	Entity	Hex	Description
∅	∅	∅	It is used to specify the empty set
∈	∈	∈	It is used to specify the member of set
∉	∉	∉	It specifies not a member of set
⊆	&sube;	⊆	It is used to specify a subset
⊈	&nsube;	⊈	It is used to specify not a subset
⊂	⊂	⊂	It is used to specify a strict subset
⊄	&nsub;	⊄	It is used to specify not a strict subset
⊇	&supe;	⊇	It is used to specify a superset
⊉	&nsupe;	⊉	It is used to specify not a superset
⊃	⊃	⊃	It is used to specify strict superset
⊅	&nsup;	⊅	It is used to specify not a strict superset
∩	∩	∩	It is used to specify intersection
∪	∪	∪	It is used to specify union
∖	&ssetmn;	∖	It is used to specify complement

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