Your next claim , Please give me some examples of christian having ritual cannibalism.
I would say that believing that somehow, chemicals assembled themselves into organisms that could reproduce themselves is perhaps hard to believe, but not nearly so hard to believe is that the entire Universe was created by an omniscient. omnipotent, omnipresent being that is also invisible, inaudible, intangible and cannot be smelled.
Ockham's Law (which is not really a law) declares that if there are a variety of theories about something, it is wisest to choose the least complicated.
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I am not saying that there is no God, just that there is insufficient proof of one. And the more baggage you include with this god, the less likely it is that your belief is valid.
Transubstantiation: a word for you to look up. Drink this wine, it is my blood. Eat this bread, it is my flesh.
Humans eating humans is cannibalism. Since this is a rite, it is ritual cannibalism, like it or not.
It is not a claim at all: it is reality.