In this essay, I argue that for sentences of form "A is B" there is a distinction between identity and "mere" predication to be made, and that Leśniewski's Ontology puts us in a better position to make this distinction than first-order predicate logic. I also gesture at how Ontology could help us to decide questions of identity. The nub of the matter seems to be a "primordial" sense of the copula that Ontology has at its basis.
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