Thread:Forum:Trope Talk/The The Tropes/reply (2)

This is actually correct.

http://www.merriam-webster.com/dictionary/the

b —used as a function word to indicate that a following noun or noun equivalent is a unique or a particular member of its class   ... a —used as a function word before a singular noun to indicate that the noun is to be understood generically  b —used as a function word before a singular substantivized adjective to indicate an abstract idea 