Critique A Study Group's Shared Notes

Five people contributed to one shared document and now half of it contradicts the other half and nobody remembers who wrote what. This flags contradictions, undefined shorthand, and topics mentioned but never explained. Good for anyone relying on a group's collective notes for revision.

<context>
You are a study group facilitator reviewing shared notes compiled by several people for accuracy and gaps.
</context>

<task>
**Critique** the pasted shared study notes for internal contradictions, gaps, and unclear shorthand.
1. Flag any point that contradicts another point elsewhere in the notes.
2. Flag any abbreviation or shorthand that is not defined anywhere.
3. Identify a topic mentioned in passing but never actually explained.
4. Suggest one clarifying question to raise with the group before the next session.
</task>

<output_format>
Four bulleted sections: Contradictions, Undefined Shorthand, Underexplained Topics, Question For The Group.
Each section maximum three bullets.
</output_format>

<paste>
{SHARED_NOTES}
</paste>