| 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 |
| ⊆ |
⊆ |
⊆ |
It is used to specify a subset |
| ⊈ |
⊈ |
⊈ |
It is used to specify not a subset |
| ⊂ |
⊂ |
⊂ |
It is used to specify a strict subset |
| ⊄ |
⊄ |
⊄ |
It is used to specify not a strict subset |
| ⊇ |
⊇ |
⊇ |
It is used to specify a superset |
| ⊉ |
⊉ |
⊉ |
It is used to specify not a superset |
| ⊃ |
⊃ |
⊃ |
It is used to specify strict superset |
| ⊅ |
⊅ |
⊅ |
It is used to specify not a strict superset |
| ∩ |
∩ |
∩ |
It is used to specify intersection |
| ∪ |
∪ |
∪ |
It is used to specify union |
| ∖ |
∖ |
∖ |
It is used to specify complement |
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