subcontraries

/ˌsʌbˈkɑntrɛriz/
noun
  1. In logic, two statements that can both be true at the same time but cannot both be false.
    • When debating, recognizing subcontraries helps avoid false dichotomies.
    • The teacher explained that subcontraries are useful for understanding partial truths.
    • In logic class, we learned that 'some birds can fly' and 'some birds cannot fly' are subcontraries.
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