Unsourced System

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An unsourced system is a system whose members don't have a source. This system may still be able to have molded headmates or not, depending on personal definition.

Related Terms
Headmates in this type of system are entomates as opposed to introjects.

Non-sourced layer is the layer equivalent.

Source heavy or introject-heavy are contrasting terms.

History
The term, along with its flag, were coined by Tumblr user belinhagamer999 on October 12th, 2022.