-We will have at least one ground type, `o`. From a linguistic
-point of view, thing of the ground types as the bar-level 0
-categories, the lexical types, such as Noun, Verb, Preposition
-(glossing over the internal complexity of those categories in modern
-theories).
+We will have at least one ground type, `o`. From a linguistic point
+of view, think of the ground types as the bar-level 0 categories, that
+is, the lexical types, such as Noun, Verb, Preposition (glossing over
+the internal complexity of those categories in modern theories).