Rigorous physics books.

No.13095500 ViewReplyOriginalReport
Mathfag here, I am trying to learn physics but the books Im reading are not rigorous. Im currently reading griffits e&m, but it uses delta functions in derivations, wich I frankly can't accept. I have yet to see a rigorous derivation of Gauss law for continous charge distributions online or in books. Pic unrelated (mostly)