SD indicates a S10 operation, the product of D and the inversion operation (i). This is the definition in the textbook. In this video, SD can operate the triangle on the face W to the face N, while the other cubies are unchanged. However, the counterclockwise permutation of the triangle ...
Logical Structure School II (Nine Fundamental Theories) By Dong H. Liu, Guangdong Polytechnic Normal University, China Abstract Based on existing logic theories, this paper proposes nine classical application theories. These consist of Logical Spacetime (which includes Logical Space ...
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