https://la-lojban.github.io/uncll/uncll-1.2.6/xhtml_section_chunks/section-causals.html
9.7. Modal sentence connection: the causals
modalsentenceconnection
https://la-lojban.github.io/uncll/uncll-1.2.5/xhtml_section_chunks/section-causals.html
9.7. Modal sentence connection: the causals
modalsentenceconnection