YOU SAID:

A nothing exists by not existing.

INTO JAPANESE

何も存在しないが存在しています。

BACK INTO ENGLISH

There does not exist anything.

INTO JAPANESE

何かは存在しません。

BACK INTO ENGLISH

Something that does not exist.

INTO JAPANESE

存在しないもの。

BACK INTO ENGLISH

Things that do not exist.

INTO JAPANESE

存在しないもの

BACK INTO ENGLISH

What does not exist

INTO JAPANESE

存在しません

BACK INTO ENGLISH

doesnt exists

INTO JAPANESE

存在しません

BACK INTO ENGLISH

doesnt exists