proper class

C4517
concept

A proper class is a collection of mathematical objects too large to be a set, such as the class of all sets or all ordinals, and therefore cannot be an element of any other collection.

All labels observed (2)

Label Occurrences
proper class canonical 3
superclass 1

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: proper class
Generated description
A proper class is a collection of mathematical objects too large to be a set, such as the class of all sets or all ordinals, and therefore cannot be an element of any other collection.

Instances (4)

Instance Via concept surface
constructible universe —
von Neumann universe —
Surreal numbers —
Osteichthyes superclass