HTML | Meaning | |
---|---|---|

⊂ |
`⊂` `⊂` `U+2282` |
Subset ofThe Subset of symbol, denoted as ⊂, is used in set theory to indicate that one set is a subset of another but not equal to it. |

⊆ |
`⊆` `⊆` `U+2286` |
Subset of or Equal toThe Subset of or Equal to symbol, denoted as ⊆, indicates that one set is either a subset of another or equal to it. |

⊄ |
`⊄` `⊄` `U+2284` |
Not Subset ofThe Not Subset of symbol, denoted as ⊄, indicates that one set is not a subset of another, showing non-inclusion. |

⊈ |
`⊈` `U+2288` |
Not Subset of or Equal toThe Not Subset of or Equal to symbol, denoted as ⊈, signifies that one set is neither a subset of another nor equal to it. |

⊃ |
`⊃` `⊃` `U+2283` |
Superset ofThe Superset of symbol, denoted as ⊃, is used to indicate that one set is a superset of another but not equal to it. |

⊇ |
`⊇` `⊇` `U+2287` |
Superset of or Equal toThe Superset of or Equal to symbol, denoted as ⊇, indicates that one set is either a superset of another or equal to it. |

∈ |
`∈` `∈` `U+2208` |
Element ofIndicates that an object is an element of a set. |

### What is the "Subset of" Symbol?

The Subset of symbol, represented by ⊂, signifies that one set is contained within another but is not identical to it. For instance, if we have sets A = {1, 2, 3} and B = {1, 2, 3, 4, 5}, it can be expressed as A ⊂ B, indicating that A is a subset of B.

### What is the "Subset of or Equal" to Symbol?

The Subset of or Equal to symbol, represented by ⊆, indicates that one set is either contained within another or is identical to it. For the same sets A and B, A ⊆ B is also correct because A is a subset of B. However, if A = {1, 2, 3} and B = {1, 2, 3}, A ⊆ B would be the appropriate notation as the two sets are equal.

### How to Differentiate Between the Subset Symbols

It's crucial to understand the difference between the two symbols to avoid confusion. Remember that ⊂ means strict subset (not equal), while ⊆ means subset or equal. The latter symbol allows for the possibility that the two sets being compared might be identical.

### Applications and Unique Uses of the Subset Symbols

The subset symbols (⊂ and ⊆) are fundamental in various mathematical and computational contexts:

**Set Theory:**Used to express relationships between sets.**Mathematics:**Appears across different fields to depict set relationships.**Computer Science:**Essential in algorithms and data structures for expressing set relationships and operations.

### Typing the Subset Symbols

**Windows:**For ⊂, use`Alt`+`8834`

; for ⊆, use`Alt`+`8838`

.**Mac:**Access both symbols via the Character Viewer.**Linux:**For ⊂, use`Ctrl`+`Shift`+`u`then`2282`

; for ⊆, follow with`2286`

.**HTML:**For ⊂, use`⊂`

or`⊂`

; for ⊆, use`⊆`

or`⊆`

.**LaTeX:**For ⊂, type`\subset`

; for ⊆, type`\subseteq`

.