Tautology (short story)

 was a Brief Encounter short story published in the Doctor Who Magazine.

Summary
to be added

Characters

 * Professor Marius
 * K9 Mark I
 * K9 Mark III
 * Gloria, the Professor's niece
 * Gloria's fiancé (unnamed)

Continuity
to be added

Timeline

 * Tautology is set before DW: The Invisible Enemy, and at some point long after after Moving On.