Category:Triangular 4 choose 2 arrays with binary entries
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This category has the following 4 subcategories, out of 4 total.
Media in category "Triangular 4 choose 2 arrays with binary entries"
The following 2 files are in this category, out of 2 total.
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Dihedral group Dih 4; inversion lattice.svg 513 × 554; 330 KB
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Set partitions 4; Hasse; 2-subsets.svg 630 × 732; 178 KB