Extensionality meaning

Extensionality refers to the idea that two sets are equal if and only if they have the same elements.


Extensionality definitions

Word backwards ytilanoisnetxe
Part of speech Extensionality is a noun.
Syllabic division ex-ten-sion-al-i-ty
Plural The plural of extensionality is extensionalities.
Total letters 14
Vogais (4) e,i,o,a
Consonants (6) x,t,n,s,l,y

Extensionality is a concept in logic and philosophy that refers to the property of objects being identical or indistinguishable based on their external features or how they interact with other objects.

Definition of Extensionality

Extensionality is a principle that states that two objects or concepts are identical if they have the same properties and stand in the same relations to other objects. This principle is used in various areas of logic and philosophy to determine when two entities can be considered the same.

Importance of Extensionality

Extensionality is crucial in formal logic, particularly in set theory and formal languages, where it helps define equality and identity between objects or elements. In philosophy, extensionality plays a significant role in the analysis of concepts and the nature of identity.

Extensionality in Set Theory

In set theory, extensionality is the principle that sets with the same members are considered equal. This principle allows for the comparison and manipulation of sets based on their elements, rather than their internal properties or definitions.

Extensionality vs. Intensionality

Extensionality is often contrasted with intensionality, which focuses on the internal properties or definitions of objects rather than their external relations. While extensionality deals with the extension of objects, intensionality deals with their intension or meaning.

Overall, extensionality is a fundamental concept in logic and philosophy that helps determine identity, equality, and the relationships between objects or concepts based on their external features and interactions. Understanding extensionality is essential for reasoning and analysis in various domains, including mathematics, logic, and philosophy.


Extensionality Examples

  1. The extensionality of the debate was evident as both sides presented compelling arguments.
  2. The extensionality of his leadership style allowed for flexibility and adaptability in various situations.
  3. She appreciated the extensionality of the project, which allowed for additional features to be added later on.
  4. The extensionality of the law could be seen in how it applied to different cases with similar circumstances.
  5. His approach to problem-solving showed a high level of extensionality, as he was able to consider multiple solutions.
  6. The extensionality of her creativity was demonstrated through the diverse range of art forms she explored.
  7. The extensionality of the company's services catered to a wide range of customers with varying needs.
  8. The extensionality of the software allowed for seamless integration with other programs.
  9. The extensionality of the language made it easy for beginners to grasp the basics quickly.
  10. He valued the extensionality of the relationship, which allowed for personal growth and mutual respect.


Most accessed

Search the alphabet

  • #
  • Aa
  • Bb
  • Cc
  • Dd
  • Ee
  • Ff
  • Gg
  • Hh
  • Ii
  • Jj
  • Kk
  • Ll
  • Mm
  • Nn
  • Oo
  • Pp
  • Qq
  • Rr
  • Ss
  • Tt
  • Uu
  • Vv
  • Ww
  • Xx
  • Yy
  • Zz
  • Updated 10/05/2024 - 01:32:41