Then, perhaps, you should read more... :)
I fail to see how talking about whether the soul is propagated or created is Gnostic in light of the definition. This has nothing to do with God enabling "secret teachings". Not everything is Gnostic in nature.
You never addressed Ecc 12 nor did you address how God would "propagate" the soul of our Lord Jesus.
2. ruach - the self-will or free will peculiar to man (abstraction, anticipation, intention, etc.) by Jewish tradition, the pivot wherein a man decides to be Godly minded or earthy minded (also related to Romans 8, choosing)
3. neshama - the breath of God given to Adam (Genesis 2:7) which may also be seen as the ears to hear (John 10) - a sense of belonging beyond space/time, a predisposition to seek God and seek answers to the deep questions such as what is the meaning of life?"
4. ruach Elohim - the Holy Spirit (Genesis 1:2) which indwells Christians (I Cor 2, John 3) the presently existing in the beyond while still in the flesh. (Col 3:3) This is the life in passage : "In him was life, and the life was the light of men..." (John 1)