Contradiction with Job 3:11
Job wishes he had died at birth, which contradicts the hope in a redeemer seen in Job 19:25.
Job 3:11: Why died I not from the womb? [why] did I [not] give up the ghost when I came out of the belly?
Contradiction with Ecclesiastes 9:5
States the dead know nothing, contradicting the expectation of a living redeemer expressed in Job 19:25.
Ecclesiastes 9:5: For the living know that they shall die: but the dead know not any thing, neither have they any more a reward; for the memory of them is forgotten.
Contradiction with Isaiah 38:18
Claims that the grave cannot praise God, opposing the hope of vindication after death mentioned in Job 19:25.
Isaiah 38:18: For the grave cannot praise thee, death can [not] celebrate thee: they that go down into the pit cannot hope for thy truth.
Contradiction with Psalm 6:5
Suggests there is no remembrance of God in death, conflicting with the belief in an active redeemer in Job 19:25.
Psalm 6:5: For in death [there is] no remembrance of thee: in the grave who shall give thee thanks?