Contradiction with Matthew 5:17
Acts 15:21 mentions Moses being preached in every city; Matthew 5:17 states that Jesus came to fulfill the law, implying a shift from Moses' teachings.
Matthew 5:17: Think not that I am come to destroy the law, or the prophets: I am not come to destroy, but to fulfil.
Contradiction with Romans 10:4
Paul declares Christ as the end of the law for righteousness, which contrasts with Moses being preached as a continual tradition.
Romans 10:4: For Christ [is] the end of the law for righteousness to every one that believeth.
Contradiction with Galatians 3:24-25
The law is described as a schoolmaster leading to Christ, but faith in Christ leads to no longer being under a schoolmaster, contrasting Moses' law's continued proclamation.
Galatians 3:24-25: Wherefore the law was our schoolmaster [to bring us] unto Christ, that we might be justified by faith.
Contradiction with Colossians 2:14
Talks about the blotting out of the handwritten ordinances against us and nailing them to the cross, suggesting a departure from the Mosaic law.
Colossians 2:14: Blotting out the handwriting of ordinances that was against us, which was contrary to us, and took it out of the way, nailing it to his cross;
Contradiction with Hebrews 8:13
States that the first covenant is old and ready to vanish away, implying a contradiction to the continual teaching of Moses as mentioned in Acts 15:21.
Hebrews 8:13: In that he saith, A new [covenant], he hath made the first old. Now that which decayeth and waxeth old [is] ready to vanish away.