Question: What classical Greek philosopher credited as one of the founders of Western philosophy, was featured in the Socratic dialogue, The Symposium? 
Sentence (from "Socrates"): Socrates ( ; Greek: Σωκράτης , "Sōkrátēs"; 470/469 – 399 BC) was a classical Greek (Athenian) philosopher credited as one of the founders of Western philosophy.
Relevant evidence: Yes