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Truth Tables
A matching grid: put one Yes in each row and column, and No everywhere else. Use the clues to find the only answer.
Tap a cell to cycle: No, Yes, blank
Each row and column gets exactly one Yes
Use the clues to rule cells out
Progressive difficulty
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Truth Tables
Find the exact matches!
Clues
Tap cells to cycle: ❌ (No) → ✅ (Yes) → Blank
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Solid Proof!