Double

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A double is a headmate that shares an identity with another headmate. Usually, this occurs in two ways:
 * 1) A headmate shares an identity with another system member (like two fictives of the same character, even if one is nonsimilous);
 * 2) A headmate based mostly/completely off of an existing system member (like a snapshot).

Related Terms
A snapshot is a form of double, as is a pseudo-original.

A headmate sourced from another system may be called an amitive.

If the source headmate is an Introject, the double may also be called a metaject.