1. Cryptic crosswords (1920s) - the only interesting crosswords.
2. "Metaphors We Live By" Lakoff & Johnson (1980),
or perhaps just "Roget's Thesaurus" (1805) long before
that (synonyms, antonyms), and obviously homonyms.
3. A little bit of Category Theory, but not too much,
just the amount that occurs to you after 1 & 2.
An alternative entry point might be knowledge graphs
(1990s).
1. Cryptic crosswords (1920s) - the only interesting crosswords.
2. "Metaphors We Live By" Lakoff & Johnson (1980), or perhaps just "Roget's Thesaurus" (1805) long before that (synonyms, antonyms), and obviously homonyms.
3. A little bit of Category Theory, but not too much, just the amount that occurs to you after 1 & 2. An alternative entry point might be knowledge graphs (1990s).