Contradiction with Romans 14:3
Romans 14:3 suggests not judging or excluding those with different eating practices, whereas 1 Corinthians 11:28 emphasizes self-examination specific to participating in communion, which implies a form of self-judgment.
Romans 14:3: Let not him that eateth despise him that eateth not; and let not him which eateth not judge him that eateth: for God hath received him.
Contradiction with Matthew 7:1
Matthew 7:1 warns against judging others, in contrast to 1 Corinthians 11:28, which focuses on the need for personal self-examination before participating in communion.
Matthew 7:1: Judge not, that ye be not judged.
Contradiction with Luke 6:37
Luke 6:37 advises against judging and condemning others, while 1 Corinthians 11:28 requires individuals to judge themselves to partake worthily in communion.
Luke 6:37: Judge not, and ye shall not be judged: condemn not, and ye shall not be condemned: forgive, and ye shall be forgiven:
Contradiction with James 4:11-12
James 4:11-12 cautions against judging others, but 1 Corinthians 11:28 involves making judgments about oneself in preparation for communion.
James 4:11-12: Speak not evil one of another, brethren. He that speaketh evil of [his] brother, and judgeth his brother, speaketh evil of the law, and judgeth the law: but if thou judge the law, thou art not a doer of the law, but a judge.
Contradiction with Colossians 2:16
Colossians 2:16 states that no one should judge others regarding religious matters, yet 1 Corinthians 11:28 asks believers to examine themselves specifically regarding communion participation.
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]