单词 | inequality |
释义 | inequality The state of not being equal. If two numbers x and y are known not to be equal, but the direction of inequality is not known, this is written x ≠ y. Inequality of known direction may be strong or weak. Strong inequality means x is larger than y, written x > y, or x is smaller than y, written x ≤ y. Weak inequality means x is larger than or equal to y, written x ≥ y, or x is smaller than or equal to y, written x ≤ y. Where x and y denote vectors rather than numbers, the notation for inequalities is more complicated: a mathematics textbook needs to be consulted. |
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