Fie 1 şi 2 elementele mulţimii A. Există 8 operaţii interne ce pot fi definite:
1. 1 + 1 = 1 , 2 + 2 = 1 , 1 + 2 = 1
2. 1 @ 1 = 1 , 2 @ 2 = 1 , 1 @ 2 = 2
3. 1 # 1 = 1 , 2 # 2 = 2 , 1 # 2 = 1
4. 1 $ 1 = 2 , 2 $ 2 = 1 , 1 $ 2 = 1
5. 1 - 1 = 1 , 2 - 2 = 2 , 1 - 2 = 2
6. 1 ~ 1 = 2 , 2 ~ 2 = 2 , 1 ~ 2 = 1
7. 1 & 1 = 2 , 2 & 2 = 1 , 1 & 2 = 2
8. 1 * 1 = 2 , 2 * 2 = 2 , 1 * 2 = 2
1. 1 + 1 = 1 , 2 + 2 = 1 , 1 + 2 = 1
2. 1 @ 1 = 1 , 2 @ 2 = 1 , 1 @ 2 = 2
3. 1 # 1 = 1 , 2 # 2 = 2 , 1 # 2 = 1
4. 1 $ 1 = 2 , 2 $ 2 = 1 , 1 $ 2 = 1
5. 1 - 1 = 1 , 2 - 2 = 2 , 1 - 2 = 2
6. 1 ~ 1 = 2 , 2 ~ 2 = 2 , 1 ~ 2 = 1
7. 1 & 1 = 2 , 2 & 2 = 1 , 1 & 2 = 2
8. 1 * 1 = 2 , 2 * 2 = 2 , 1 * 2 = 2
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