The most common and most likely answer to this crossword clue is the 8 letter word THEOREMS
I've seen this crossword clue in The Daily Telegraph
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More clues leading to the result THEOREMS
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The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does THEOREMS mean?
THEOREMS noun- A mathematical statement of some importance that has been proven to be true. Minor theorems are often called propositions. Theorems which are not very interesting in themselves but are an essential part of a bigger theorem's proof are called lemmas.
- A mathematical statement that is expected to be true
- A syntactically correct expression that is deducible from the given axioms of a deductive system.