∃(x)P(x) means some people eat meat
First if you want to apply this predicate to set of people then you should use Domain of Discourse as people. Because if Domain is not mentioned then this statement is applied over all entity of the universe.
Ref:-https://en.m.wikipedia.org/wiki/Domain_of_discourse
Refer the example section.
Ok is it true if we define domain of discourse as set of all living people?
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