Full Idea
Natural language includes connectives that are not truth-functional. In order for 'p because q' to be true, both p and q have to be true, but knowing the simpler sentences are true doesn't determine whether the larger sentence is true.
Gist of Idea
Natural language includes connectives like 'because' which are not truth-functional
Source
Vann McGee (Logical Consequence [2014], 2)
Book Reference
'Bloomsbury Companion to Philosophical Logic', ed/tr. Horsten,L/Pettigrew,R [Bloomsbury 2014], p.31