1) The Greek philosophical tradition was developed by philosophers such as Al Farabi and Ibn Sina. After having disappeared from the Sunni world, it has developed later in the Sunni world. Sadr Al din Shirazi was its biggest representative.

2) Since Mysticism is not defined in the document, I looked for its definition: It can be described as a philosophical or religious attitude founded more on feelings and intuition than on rational knowledge, as it is the intimate and direct union between human and divinity.

(Source:"Mysticism: A Variety of Psychological Perspectives")