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| необходимые и достаточные условия | |||
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| необходимое и достаточное условие (condition that without which nothing will happen and upon whose fulfillment there is no need for any other conditions (Logic). BED • a necessary and sufficient condition for the eradication of unemployment. OCD Alexander Demidov) | |||
| необходимое и достаточное условие | |||
