קמיפלגי
They differed. This term means that gemarah is going to reframe the argument. The argument is going to change directions after this.
סבר
holds an opinion, understood
הלכך
therefore
הנך
those, the others.
כולי עלמא
Everybody, the whole world.
וליכא
But there is not. Often used to indicate that a halachic requirement has not been fulfilled.