YOU SAID:

If a man is a man but man is not a man is the man man a man

INTO JAPANESE

男が男だが男ではない人が男なら男は男だ

BACK INTO ENGLISH

If a man is a man, but a man who is not a man is a man, a man is a man.

INTO JAPANESE

男が男であるが、男ではない人が男である場合、男は男です。

BACK INTO ENGLISH

If a man is a man, but a man who is not a man is a man, a man is a man.