Random triples
| Subject | Object |
|---|---|
| gptkb:R/Z | x + Z, x in R |
| gptkb:the_ring_of_polynomials_K[x]_over_a_field_K | a_0 + a_1 x + a_2 x^2 + ... + a_n x^n |
| gptkb:Möbius_group | (az + b)/(cz + d), ad-bc ≠ 0 |
| gptkb:Hurwitz_quaternions | a + bi + cj + dk (a, b, c, d in Z or all in Z + 1/2, sum even) |