Personal Identity

I can't add this tag to existing posts -- doesn't show up in the tag list when I search for "Personal" or "Identity". What's going on?

Applied to The Useful Definition of "I" by plex 2y ago
Applied to Timeless Identity by Yoav Ravid 2y ago
Applied to The I-Less Eye by Yoav Ravid 2y ago
Applied to The Anthropic Trilemma by Yoav Ravid 2y ago
Applied to Thoughts on personal identity by plex 2y ago