# Chen's Theorem

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## Theorem

Every sufficiently large even integer is the sum of either:

## Proof

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## Source of Name

This entry was named for Chen Jingrun.

## Historical Note

**Chen's Theorem** was proved by Chen Jingrun in $1973$.

As such it made a major inroad into the resolution of the Goldbach Conjecture.

## Sources

- 1998: David Nelson:
*The Penguin Dictionary of Mathematics*(2nd ed.) ... (previous) ... (next):**Goldbach's conjecture** - 2008: David Nelson:
*The Penguin Dictionary of Mathematics*(4th ed.) ... (previous) ... (next):**Goldbach's conjecture** - 2008: Ian Stewart:
*Taming the Infinite*... (previous) ... (next): Chapter $7$: Patterns in Numbers: Fermat