Reply To: ??? ???? (Shmiras haloshon)

So, I started reading ahead, and it just gets more confusing!

If said in the prescence of 3, we can assume that it’s positive and therefore not L”H?

3ppl are already a public forum and therefore no harm bc it’s gonna be publicised anyway?

It makes no sense to me… Should I just forget the Rambam’s heter of api tlasa, or should I try to understand?

Thanks! 🙂