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| двойное отрицание | |||
| двойное отрицание (в логике — операция, эквивалентная двойному дополнению, преобразующая логический элемент в него самого) | |||
| double negation: 5 phrases in 3 subjects |
| Computers | 1 |
| Information technology | 1 |
| Mathematics | 3 |
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