Праджня это самскара?

Че-то нигде нет.

Q: However, the Buddha did speak of six paramitas, so why do you now say they can all be fulfilled in that one? Please give your reason for this.
A: The Sutra of the Questions of Brahma says: 'Jalavidya the Elder, spoke unto Brahma and said:
  "Bodhisattvas by relinquishing all defilements(klesa) may be said to have fulfilled the danaparamita, also known as total relinquishment;
   being beguiled by nothing, they may be said to have fulfilled the silaparamita, also known as observing the precepts;
   being hurt by nothing, they may be said to have fulfilled the ksantiparamita, also known as exercising forbearance;
   clinging to nothing, they may be said to have fulfilled the viryaparamita, also known as exercising zeal;
   dwelling on nothing, they may be said to have fulfilled the dhyanaparamita, also known as practising dhyana and samadhi;
   speaking lightly of nothing, they may be said to have fulfilled the prajnaparamita, also known as exercising wisdom. Together, they are named the six methods."'

Тут вроде все ясно и спорить как-бы и не о чем.

Праджняпарамита, это не упражнение в мудрости.

Ясень день, что понятия. Но что из чего происходит? Объект и сознание?