Contradiction with Isaiah 31:1
This verse condemns those going down to Egypt for help and not depending on God, contrasting the reliance expressed in Jeremiah 42:13.
Isaiah 31:1: Woe to them that go down to Egypt for help; and stay on horses, and trust in chariots, because [they are] many; and in horsemen, because they are very strong; but they look not unto the Holy One of Israel, neither seek the LORD!
Contradiction with Proverbs 3:5-6
Advises trust in the Lord and not leaning on personal understanding, opposed to the fear-driven decision in Jeremiah 42:13.
Proverbs 3:5-6: Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Contradiction with Deuteronomy 17:16
Warns against returning to Egypt, which the people contemplated in Jeremiah 42:13, showing a contradiction in direction.
Deuteronomy 17:16: But he shall not multiply horses to himself, nor cause the people to return to Egypt, to the end that he should multiply horses: forasmuch as the LORD hath said unto you, Ye shall henceforth return no more that way.
Contradiction with Exodus 14:13
Encourages to not fear and stand still to see God's salvation, contradicts the fear leading the people to want to return to Egypt in Jeremiah 42:13.
Exodus 14:13: And Moses said unto the people, Fear ye not, stand still, and see the salvation of the LORD, which he will shew to you to day: for the Egyptians whom ye have seen to day, ye shall see them again no more for ever. [for the...: or, for whereas ye have seen the Egyptians to day]
Contradiction with Isaiah 30:1-2
Speaks against making plans without divine guidance, unlike the desire to move to Egypt expressed in Jeremiah 42:13.
Isaiah 30:1-2: Woe to the rebellious children, saith the LORD, that take counsel, but not of me; and that cover with a covering, but not of my spirit, that they may add sin to sin: