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MATHS: Sets
| Question | Answer |
|---|---|
| Meaning of Sets? | A set is a `group of clearly defined ELEMENT`. |
| We use ____ as an element in a set? | E |
| We use ____ as an not an element in a set? | E+/ |
| What is this sign called {}? | Null set |
| What does this sign mean {} | No set or Empty set |
| If we want to say which is not equal , what sign do we use? | ≠ |
| What is this sign called #? | Cardinal number |
| What does this sign mean #? | Tells us how many elements are in the set |
| What is this sign called ⊂? | Sub set |
| What does this sign mean ⊂? | means "is a proper subset of". Example. Since all of the members of set A are members of set D, A is a subset of D. Symbolically this is represented as A ⊆ D. |
| What is this sign called ⊄? | Not Sub set |
| What does this sign mean ⊄? | means "is not a proper subset of". Example. Since all of the members of set A are not members of set D, A is not a subset of D. Symbolically this is represented as A ⊄ D. |
| What is the sign called ∩? | Intersecting |
| What does this mean ∩? | set composed of all elements that belong to both A and B. |
| What is this sign called U? | Union |
| What does this mean U? | All of the set A and B. |
| What does is the sign of A LESS B? | A/B or A-B |
| What does this mean (/ or -)? | A-B= so just see what's in set B. |
| What does this sign called A'? | A Complement |
| What does this mean A'? | means everything Outside A |
Created by:
daathu
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