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GMU ANALYTICAL · INDEX PROOF · DR109
Rule 2 Case 2c Over-Depth Red — Analytical Coordinate Proof (DR109)
DR109 pairs Rule 2 Case 2c Over-Depth Red (Continuing column row r >= d_{k-m} + 2 where two reference cells are empty) with Analytical Modality (Formal Index Notation): learners verify Both (k-m, r) and (k-m, r-1) are empty because r exceeds d_{k-m} by 2+, master Rule 2 Case 2c Consecutive Empty Reference Cells returning Red (=), and eliminate forgetting rule 2's third case where two empty reference cells produce red (=).
- Drill Reference ID
- DR109
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