universal structure
Let be a first order language, and let be an elementary class of -structures. Let be a cardinal. be the set of structures from with cardinality less than or equal to .
Let . Suppose that for every there is an embedding of into . Then we say is universal.
Title | universal structure |
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Canonical name | UniversalStructure |
Date of creation | 2013-03-22 13:23:09 |
Last modified on | 2013-03-22 13:23:09 |
Owner | Timmy (1414) |
Last modified by | Timmy (1414) |
Numerical id | 4 |
Author | Timmy (1414) |
Entry type | Definition |
Classification | msc 03C50 |
Classification | msc 03C52 |
Defines | universal |