Contradiction with 1 Corinthians 5:7
This verse emphasizes purging the old leaven to become a new lump, which contradicts the idea of partaking in offerings associated with idols referenced in 1 Corinthians 10:18.
1 Corinthians 5:7: Purge out therefore the old leaven, that ye may be a new lump, as ye are unleavened. For even Christ our passover is sacrificed for us: [is sacrificed; or, is slain]
Contradiction with Acts 10:15
This verse states that what God has cleansed should not be called common, contradicting the notion of observing dietary or sacrificial separations like those mentioned in 1 Corinthians 10:18.
Acts 10:15: And the voice [spake] unto him again the second time, What God hath cleansed, [that] call not thou common.
Contradiction with Romans 14:14
This verse declares that nothing is unclean in itself, contrasting with the notion of alignment with the Israelite sacrifices, thereby challenging the association with 1 Corinthians 10:18.
Romans 14:14: I know, and am persuaded by the Lord Jesus, that [there is] nothing unclean of itself: but to him that esteemeth any thing to be unclean, to him [it is] unclean. [unclean: Gr. common]
Contradiction with Matthew 15:11
The principle that it is not what goes into the mouth that defiles a person contradicts the emphasis on sacrificial consumption referenced in 1 Corinthians 10:18.
Matthew 15:11: Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man.
Contradiction with Colossians 2:16
This verse advises not to be judged in matters of food or drink, contradicting the implication of judgment or comparison with Israelite sacrifices in 1 Corinthians 10:18.
Colossians 2:16: Let no man therefore judge you in meat, or in drink, or in respect of an holyday, or of the new moon, or of the sabbath [days]: [in meat...: or, for eating and drinking] [respect: or, part]