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Figure from:Lie bracket of vector fields in noncommutative geometry

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Where all the squares, except possibly, the square with broken arrows, are commu- tative. But also this square is commutative. But it is possible to obtain an easy definition for L’. Indeed, we may build the following diagram:

Figure 2 Where all the squares, except possibly, the square with broken arrows, are commu- tative. But also this square is commutative. But it is possible to obtain an easy definition for L’. Indeed, we may build the following diagram:

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Proof. In the following the diagram the two compositions (1 ® A)(Z @ I)A and
Proof. In the following the diagram the two compositions (1 ® A)(Z @ I)A and