6.14. Ďaląie typy matematických písiem

$\Cal A, \dots, \Cal Z$ \Cal A \dots \Cal Z
$\Bbb A, \Bbb R, \Bbb N, \dots, \Bbb Z$ \Bbb A, \Bbb R, \Bbb N, \dots, \Bbb Z
$\frak A, \dots, \frak Z$ \frak A, \dots, \frak Z