wɪð ðɪs dˌɛfɪnˈɪʃən ʌvðə pɚtˈɪkjʊlɚ sˈʌbstəns ˈaɪ.ˈiː., mˈæɾɚɹ ænd fˈɔːɹm, ˈæɹɪstˌɑːɾəl tɹˈaɪz tə sˈɑːlv ðə pɹˈɑːbləm ʌvðə jˈuːnɪɾi ʌvðə bˈiːɪŋz, fɔːɹ ɛɡzˈæmpəl, "wˌʌt ɪz ɪt ðæt mˌeɪks ɐ mˈæn wˌʌn"?
With this definition of the particular substance (i.e., matter and form), Aristotle tries to solve the problem of the unity of the beings, for example, "what is it that makes a man one"?