Contradiction with Ecclesiastes 3:1-2
Ecclesiastes teaches that there is a time to die, whereas Psalms 56:13 speaks of being delivered from death and walking before God in the light of the living.
Ecclesiastes 3:1-2: To every [thing there is] a season, and a time to every purpose under the heaven:
Contradiction with Hebrews 9:27
Hebrews states that it is appointed for men to die once, which contrasts with the assurance of deliverance from death in Psalms 56:13.
Hebrews 9:27: And as it is appointed unto men once to die, but after this the judgment:
Contradiction with Psalm 88:4-5
This psalm expresses being counted with those who go down to the pit, unlike the deliverance and life affirmed in Psalms 56:13.
Psalm 88:4-5: I am counted with them that go down into the pit: I am as a man [that hath] no strength:
Contradiction with Job 14:1-2
Job describes life as fleeting and full of trouble, contrasting with the deliverance from death and walking in light described in Psalms 56:13.
Job 14:1-2: Man [that is] born of a woman [is] of few days, and full of trouble. [few...: Heb. short of days]
Contradiction with Romans 6:23
Romans points out that the wages of sin is death, whereas Psalms 56:13 focuses on being saved from death and continuing to walk with God.
Romans 6:23: For the wages of sin [is] death; but the gift of God [is] eternal life through Jesus Christ our Lord.
Contradiction with Ecclesiastes 9:5
Ecclesiastes claims the dead know nothing, whereas Psalms 56:13 emphasizes life and walking before God.
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.