# Novikov self-consistency principle

> English word · Proper noun

## Definitions
1. A conjecture asserting that it is impossible to create paradoxes by time travel because the past cannot be changed.

## Etymology
Developed by Russian physicist Igor Dmitriyevich Novikov in the mid-1980s.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/novikov-self-consistency-principle