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### Single Idea 9673

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

Full Idea

{a1, a2, ...an} indicates that the set comprises of just those objects.

Clarification

[the numbers are actually written as subscripts]

Gist of Idea

{a1, a2, ...an} indicates that a set comprising just those objects

Source

Graham Priest (Intro to Non-Classical Logic (1st ed) [2001], 0.1.2)

Book Reference

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