Union
$$A \cup B =$$
{ adoration, awareness, contemplation, decision, equanimity, non-attachment, recognition, recollection, repentance, worshipping }
Symmetric Difference
$$A \ominus B =$$
{ adoration, awareness, contemplation, decision, equanimity, non-attachment, recognition, recollection, repentance, worshipping }
Difference
$$B - A =$$
{ adoration, contemplation, equanimity, non-attachment, repentance, worshipping }
Cartesian Product
$$A \times B =$$
{ (awareness, adoration),
(awareness, contemplation),
(awareness, equanimity),
(awareness, non-attachment),
(awareness, repentance),
(awareness, worshipping),
(decision, adoration),
(decision, contemplation),
(decision, equanimity),
(decision, non-attachment),
(decision, repentance),
(decision, worshipping),
(recognition, adoration),
(recognition, contemplation),
(recognition, equanimity),
(recognition, non-attachment),
(recognition, repentance),
(recognition, worshipping),
(recollection, adoration),
(recollection, contemplation),
(recollection, equanimity),
(recollection, non-attachment),
(recollection, repentance),
(recollection, worshipping) }
Dreyfus model of skill acquisition