Here are the matches for the words to their definitions or symbols: 1. ∈ - element, 2. {} - empty set. 3. ⊂ - subset. 4. {whole numbers} - finite set. 5. ∅ - empty set. 6. A set limited by definition - finite set. 7. ∉ - not an element
1. Element (∈): This symbol (∈) denotes membership in a set.
2. Empty Set ({} or ∅): Represented by curly braces or the symbol ∅, it is a set with no elements.
3. Subset (⊂): The symbol ⊂ signifies that one set is entirely contained within another. If every element of set (B) is also an element of set (A), we write (B ⊂ A).
4. Finite Set (e.g., {whole numbers}): A set with a countable number of elements. The set of whole numbers is an example, denoted as {0, 1, 2, 3, ...}.
5. Empty Set (∅): Also known as the null set, it is a set with no elements. It is represented by the symbol ∅.
6. Finite Set (A set limited by definition): Any set with a finite number of elements, determined by a specific definition.
7. Not an Element (∉): This symbol (∉) indicates that a particular element is not a member of the given set.
In summary, these symbols and definitions are fundamental in set theory, helping describe relationships between elements and sets.
The complete question is:
Match the word to its definition or symbol.
1. ∈
2. {}
3. ⊂
4. {whole numbers}
5. ∅
6. A set limited by definition
7. ∉
empty set
subset
finite set
element
infinite set
null set
not an element