Emperor Trajan

The Argument from (Dis-)Similarity

Will the real Church please stand up?  Go to a phone directory of any moderately sized settlement and see if the listings for “churches” don’t rapidly get bewildering.  Indeed, such an exercise is often an education into varieties of Christianity we didn’t know existed!  How should those who worship Christ sort through this denominational chaos?

One method frequently suggested by Roman Catholics, Eastern Orthodox, and Disciples of Christ (along with a few Baptists, on occasion) is to look at the evidence for early Christianity and see which contemporary denomination is most similar to the churches of the apostles and their successors.  This is the argument from similarity.  I recently read a blog post making this argument against Protestants of all stripes, and a commentator here pressed me to consider the same line of reasoning.  It was not the first time.  I have heard this argument made in favor of multiple different branches of contemporary Christianity.  I like to imagine the question by asking which church would look most familiar to the apostle Peter or any of the other earliest Christians, if he were sent on a time-travel expedition from AD 60 to the present.  I prefer someone else to Jesus for this exercise because Jesus is the God who knows the hearts, and this is usually posed as a question about external appearances. (more…)

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