962f4565_LE_TOEFL__Rhetorical_Structure
[Meaning/Definition] Proof is conclusive or convincing support for an argument Usually,the topic is debatable or controversial, and the writer wants to convince the reader with details that are difficult or impossible to reject. Accepted facts and data,usually from real experiments or scientific studies, are the most common ways to prove something. [Rhetorical Structure] 
To prove
T o i l l u s t r a t e / t o d e m o n s t r a t e
T o c l a r i f y
T o d i s t i n g u i s h / t o d i f f e r e n t i a t e
T o e x p a n d / t o e l a b o r a t e
T o e m p h a s i z e
T o p r o v e
T o r e f u t e
LE TOEFL
Rhetorical Structure