− | <math>\mathfrak{Q} = \{ \, ^{\backprime\backprime} F ^{\prime\prime}, \, ^{\backprime\backprime} R ^{\prime\prime}, \, ^{\backprime\backprime} T ^{\prime\prime} \, \}</math> | + | <math>\mathfrak{Q} = \{ \, ^{\backprime\backprime} \, F \, ^{\prime\prime}, \, ^{\backprime\backprime} \, R \, ^{\prime\prime}, \, ^{\backprime\backprime} \, T \, ^{\prime\prime} \, \}</math> |
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