i5 : I
2 2
o5 = ideal (x - x a - x x a - x x a - x x a ,
1 5 (1, 1),5 2 5 (1, 1),2 3 5 (1, 1),3 4 5 (1, 1),4
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2
x x - x a - x x a - x x a - x x a , x x
1 2 5 (1, 2),5 2 5 (1, 2),2 3 5 (1, 2),3 4 5 (1, 2),4 1 3
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2
- x a - x x a - x x a - x x a , x x -
5 (1, 3),5 2 5 (1, 3),2 3 5 (1, 3),3 4 5 (1, 3),4 1 4
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2 2
x a - x x a - x x a - x x a , x - x x -
5 (1, 4),5 2 5 (1, 4),2 3 5 (1, 4),3 4 5 (1, 4),4 2 1 5
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2
x a - x x a - x x a - x x a , x x -
5 (2, 2),5 2 5 (2, 2),2 3 5 (2, 2),3 4 5 (2, 2),4 2 3
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2
x a - x x a - x x a - x x a , x x -
5 (2, 3),5 2 5 (2, 3),2 3 5 (2, 3),3 4 5 (2, 3),4 2 4
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2 2
x a - x x a - x x a - x x a , x - x x -
5 (2, 4),5 2 5 (2, 4),2 3 5 (2, 4),3 4 5 (2, 4),4 3 1 5
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2
x a - x x a - x x a - x x a , x x -
5 (3, 3),5 2 5 (3, 3),2 3 5 (3, 3),3 4 5 (3, 3),4 3 4
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2 2
x a - x x a - x x a - x x a , x - x x -
5 (3, 4),5 2 5 (3, 4),2 3 5 (3, 4),3 4 5 (3, 4),4 4 1 5
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2
x a - x x a - x x a - x x a )
5 (4, 4),5 2 5 (4, 4),2 3 5 (4, 4),3 4 5 (4, 4),4
o5 : Ideal of AR
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