Good job. The second the the word church is used by Jesus is in Mt 18:17 where he sais 'The Church", the implies there is only one church.
Some would use the words “Where two or more of you are together, there am I” as a justification to call there gathering a church, but that would contradict with Mt 18:17 where there is only one church, It would also claim that you could go to any two persons who agree as Christ authority. That would not work. Then you could have one church against …
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