2604: Answering a Negative Question: 3-Form Systems Jan 31, 2022
Now only a historical detail, English used to have a 4-form system for answering questions with 'yes', 'no', 'yea', & 'nay', but this is not the only way to set it up. German has a 3 form system, as do many Germanic languages with normal 'ja' (yes), 'nein' (no), but also the word 'doch' which responds contrarily to a negative question to clarify that is it isn't affirming the negative. For instance:
You didn’t go?
Doch, [in fact, I did]
Without such a feature, to answer 'yes' in English is ambiguous. In addition to Germanic languages, French has this with 'oui' (yes), non (no), and its third form 'si' (yes, contrary to the negative). This shares a root with the Spanish 'sí' (yes), which does not have the same nuance.