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  1. law of the excluded middle

    • ph.
      the principle that one (and one only) of two contradictory propositions must be true
    • 相關詞
    • ph.
      the principle that one (and one only) of two contradictory propositions must be true

    Oxford American Dictionary

    • ph.
      the principle that one (and one only) of two contradictory propositions must be true

    Oxford Dictionary

    • 更多解釋
    • ph.
      the principle that one (and one only) of two contradictory propositions must be true

    Oxford Dictionary