Other evidence of a docetism who conceded the Jewish denial of the historicity of Jesus:
Stop your ears, therefore, when any one speaks to you at variance with Jesus Christ, who was descended from David, and was also of Mary; who was truly born, and ate and drank. He was truly persecuted under Pontius Pilate; He was truly crucified, and [truly] died, in the sight of beings in heaven, and on earth, and under the earth. He was also truly raised from the dead, His Father quickening Him, even as after the same manner His Father will so raise up us who believe in Him by Christ Jesus, apart from whom we do not possess the true life.
But if, as some that are without God, that is, the unbelieving, say, that He only seemed to suffer (they themselves only seeming to exist), then why am I in bonds? Why do I long to be exposed to the wild beasts? Do I therefore die in vain? Am I not then guilty of falsehood against [the cross of] the Lord?
(Trallians 9-10)
Note the Ignatius very logical argument:
1) if the Docetists are right that Jesus "only seems to exist" then the Docetists themselves "only seem to exist".
2) but there is not a such thing as Docetists "who only seem to exist".
3) therefore: there is not a such thing as Jesus "who only seem to exist".
CONCLUSION:
Ignatius is a denier of the historical reality of a Jesus "who only seem to exist".