Block occurrences [in rule 30]
Character of [general] principles [in science]
[Construction of] universal objects
Criteria for universality [in systems]
Density of universal systems
Encodings [for universality]
History [of universal objects]
Initial conditions [as oracles]
Oracles [for universal systems]
Proving universality
![Block occurrences [in rule 30]](/nks/notes/notes-12-3--block-occurrences-in-rule-30/thumb.png "Block occurrences [in rule 30]")
![Character of [general] principles [in science]](/nks/notes/notes-12-3--character-of-general-principles-in-science/thumb.png "Character of [general] principles [in science]")
![[Construction of] universal objects](/nks/notes/notes-12-3--construction-of-universal-objects/thumb.png "[Construction of] universal objects")
![Criteria for universality [in systems]](/nks/notes/notes-12-3--criteria-for-universality-in-systems/thumb.png "Criteria for universality [in systems]")
![Encodings [for universality]](/nks/notes/notes-12-3--encodings-for-universality/thumb.png "Encodings [for universality]")
![History [of universal objects]](/nks/notes/notes-12-3--history-of-universal-objects/thumb.png "History [of universal objects]")
![Initial conditions [as oracles]](/nks/notes/notes-12-3--initial-conditions-as-oracles/thumb.png "Initial conditions [as oracles]")
![Oracles [for universal systems]](/nks/notes/notes-12-3--oracles-for-universal-systems/thumb.png "Oracles [for universal systems]")
