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03.03.2020 •
Mathematics
Let C(x, y) mean that student x is enrolled in class y, where the domain for x consists of all students in your school and the domain for y consists of all classes being given at your school. Express each of these statements by a simple English sentence. a) C(Randy Goldberg, CS 252) b) ∃xC(x, Math 695) c) ∃yC(Carol Sitea, y) d) ∃x(C(x, Math 222) ∧ C(x, CS 252)) e) ∃x∃y∀z((x ≠ y) ∧ (C(x, z) → C(y, z)))f) ∃x∃y∀z((x ≠ y) ∧ (C(x, z) ↔ C(y, z))
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Ответ:
kis arthakd ana aneek abuk ya ibnil kalb ya haywan
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