How, then, does Maximus define hypostasis and distinguish it from nature? Maximus follows the Cappadocian tradition, according to which nature is related to what is common, and hypostasis to the particular. In the opening part of his extensive letter to Cosmas on essence and hypostasis, he quotes definitions from Saint Basil’s letters, including the definition from his letter to Terentius discussed previously, to this effect.13 But Maximus also defines hypostasis in other ways. Hypostasis is an essence
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