Single Idea 9676

[catalogued under 4. Formal Logic / F. Set Theory ST / 2. Mechanics of Set Theory / a. Symbols of ST]

Full Idea

{a} is the 'singleton' set of a, not to be confused with the object a itself.

Gist of Idea

{a} is the 'singleton' set of a (not the object a itself)

Source

Graham Priest (Intro to Non-Classical Logic (1st ed) [2001], 0.1.4)

Book Reference

Priest,Graham: 'Introduction to Non-Classical Logic' [CUP 2001], p.-7