Contradiction with Deuteronomy 7:2
Commanded to destroy the nations utterly, not to make covenants.
Deuteronomy 7:2: And when the LORD thy God shall deliver them before thee; thou shalt smite them, [and] utterly destroy them; thou shalt make no covenant with them, nor shew mercy unto them:
Contradiction with Exodus 23:32
Prohibited from making covenants with inhabitants of the land.
Exodus 23:32: Thou shalt make no covenant with them, nor with their gods.
Contradiction with Judges 2:2
Instructed not to make leagues with other nations but to break their altars.
Judges 2:2: And ye shall make no league with the inhabitants of this land; ye shall throw down their altars: but ye have not obeyed my voice: why have ye done this?
Contradiction with 2 Corinthians 6:14
Advised not to be unequally yoked with unbelievers.
2 Corinthians 6:14: Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness? and what communion hath light with darkness?
Contradiction with Deuteronomy 20:16-17
Commanded to destroy certain nations completely, not sparing them.
Deuteronomy 20:16-17: But of the cities of these people, which the LORD thy God doth give thee [for] an inheritance, thou shalt save alive nothing that breatheth:
Paradox #1
The moral conflict in Joshua 9:26 could arise from the idea of making a promise or oath under deceptive circumstances. If the people were tricked into making an agreement, some might feel it is inconsistent to keep that promise. The dilemma is whether integrity means honoring the oath despite the deceit, or if sincerity and truth in agreements should take precedence.