Pelagianism is a theological theory named after Pelagius (ad. 354 – ad. 420/440). It is the belief that original sin did not taint human nature (which God called very good), and that mortal will is still capable of choosing good or evil without Divine aid. - Foreknown Encyclopedia
Joh 6:43-44 Jesus answered them, "Do not grumble among yourselves. No one can come to me unless the Father who sent me draws him. And I will raise him up on the last day.
Joh 6:63 It is the Spirit who gives life; the flesh is no help at all.
Irenaeus can be forgiven. He didn't have the Internet.
Where does Irenaeus claim that man can be saved without Divine aid?
That's a real side-splitter. Fess up........you've never read Irenaeus.
From the above chapter:
"All such passages demonstrate the independent will of man, and at the same time the counsel which God conveys to him, by which He exhorts us to submit ourselves to Him, and seeks to turn us away from [the sin of] unbelief against Him, without, however, in any way coercing us."
And again:
"But because man is possessed of free will from the beginning, and God is possessed of free will, in whose likeness man was created, advice is always given to him to keep fast the good, which thing is done by means of obedience to God.
That doesn't sound like Pelagianism.