English: The set of hours in the conventional clock form a cyclic group under addition, isomorphic to C12.
H={0,1,2,3,4,5,6,7,8,9,10,11} This image was created by me using Inkscape and borrowed materials from the Open Clip Art Library licensed in the public domain.
2006-10-19 22:31 Spindled 566×245 (230435 bytes) The set of ''hours'' in the conventional clock form a cyclic group under addition, isomorphic to C<sub>12</sub>. H={0,1,2,3,4,5,6,7,8,9,10,11} This image was created by me using Inkscape and borrowed materials from the Open Clip Art Library licensed in t
说明
添加一行文字以描述该文件所表现的内容
Set of hours in a clock, {0,1,…,11}, is isomorphic to C₁₂ (arithmetic modulo 12) eg 9+4=1