Lemma and Supposal

Lemma noun - A subsidiary proposition that is assumed to be true in order to prove another proposition.

Supposal and lemma are semantically related. In some cases you can use "Supposal" instead a noun "Lemma".

Supposal noun - A hypothesis that is taken for granted.

Lemma and supposal are semantically related. Sometimes you can use "Lemma" instead a noun "Supposal".