Involving three or more quantities, elements, or individuals.
- ‘Post is best known for his work on polyadic groups, recursively enumerable sets, and degrees of unsolvability, as well as for his contribution to the unsolvability of problems in combinatorial mathematics.’
- ‘We propose a generalization of Sahlqvist formulae to polyadic modal languages by representing modal polyadic languages in a combinatorial style.’
Early 20th century: from poly- ‘many’, on the pattern of words such as dyadic, monadic.
We take a look at several popular, though confusing, punctuation marks.