---
title: "Parmenides | Presocratic philosophy | Thought Archive"
number: "038"
slug: "038-parmenides"
author: "Wenzi / 文子"
language: "en"
canonical: "https://tongzai.space/en/thought-archive/038-parmenides/"
is_primary_text: true
---

# Parmenides（Presocratic philosophy）



## Common research question

**Why does Parmenides deny thinking what-is-not?**

Parmenides' poem contrasts the path of “is” with attempts to think or speak of “is not.” Treating nonbeing as an object of thought creates a fundamental difficulty. This is not a theory of modern physical vacuum, and the poem also contains an account of mortal opinion rather than only one abstract slogan.

## Interpretive boundary

The poem survives in citations; distinguish surviving verses from modern reconstruction.

## Archive evidence

- [E-02 ｜ B2.1—4](#E-02)
- [E-03 ｜ B2.5—8](#E-03)