请教一道离散数学题Find a common universe for variables x, y, z, w for which the statement∀x∀y∀z∃w ((w≠x)∧(w≠ y)∧(w≠z))is true and another common universe for these variables in which it isfalse.
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![请教一道离散数学题Find a common universe for variables x, y, z, w for which the statement∀x∀y∀z∃w ((w≠x)∧(w≠ y)∧(w≠z))is true and another common universe for these variables in which it isfalse.](/uploads/image/z/8758250-26-0.jpg?t=%E8%AF%B7%E6%95%99%E4%B8%80%E9%81%93%E7%A6%BB%E6%95%A3%E6%95%B0%E5%AD%A6%E9%A2%98Find+a+common+universe+for+variables+x%2C+y%2C+z%2C+w+for+which+the+statement%26%238704%3Bx%26%238704%3By%26%238704%3Bz%26%238707%3Bw+%28%28w%E2%89%A0x%29%E2%88%A7%28w%E2%89%A0+y%29%E2%88%A7%28w%E2%89%A0z%29%29is+true+and+another+common+universe+for+these+variables+in+which+it+isfalse.)
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请教一道离散数学题Find a common universe for variables x, y, z, w for which the statement∀x∀y∀z∃w ((w≠x)∧(w≠ y)∧(w≠z))is true and another common universe for these variables in which it isfalse.
请教一道离散数学题
Find a common universe for variables x, y, z, w for which the statement
∀x∀y∀z∃w ((w≠x)∧(w≠ y)∧(w≠z))
is true and another common universe for these variables in which it is
false.
请教一道离散数学题Find a common universe for variables x, y, z, w for which the statement∀x∀y∀z∃w ((w≠x)∧(w≠ y)∧(w≠z))is true and another common universe for these variables in which it isfalse.
When the common universe is R,the statement is true.
When the common universe is {1,2,3},it is false.
离散数学题:集合{Ø,a,{a}}的幂集RT,一道离散数学题,
请教一道离散数学题Find a common universe for variables x, y, z, w for which the statement∀x∀y∀z∃w ((w≠x)∧(w≠ y)∧(w≠z))is true and another common universe for these variables in which it isfalse.
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