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noun

lemma

a subsidiary proposition that is assumed to be true in order to prove another proposition

In a sentence

Six example sentences with lemma, each labelled with its topic.

  • The appeal rested on a small lemma about notice periods, which the court accepted before reaching the larger question.

    Law

  • The stability argument opens with a lemma about load paths, and only then does the roof calculation follow.

    Architecture

  • The growth model needs one lemma about savings behavior before the main result on capital accumulation can be established.

    Economics

  • The lecture proved a small lemma about consistent beliefs first, then used it to reach the main claim about knowledge.

    Philosophy

  • The paper proves a lemma that the queue never overflows, and the correctness of the whole scheduler rests on it.

    Technology

  • Before tackling the orbit calculation, the students establish a lemma about how the two forces add along a straight line.

    Science

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