Enter a clue or pattern or both:
The Clue
Logician's propositions (7 letter answer)
The Answer
LEMMATA
Tags
Notes
The answer LEMMATA is so rare that it appears less than once every 2500 puzzles.
Definition
LEMMA as a noun:
1. a subsidiary proposition that is assumed to be true in order to prove another proposition
2. (lemma, flowering glume) = the lower and stouter of the two glumes immediately enclosing the floret in most Gramineae
3. the heading that indicates the subject of an annotation or a literary composition or a dictionary entry