Hazrat Muhammad(P.B.U.H) knows how to read & write or not?

What proof u r asking my friend,

The authenticity of Qalam & Qartas or that Shia believe that Prophet (SAAW) knew reading and writing?

In later case, i guess a shia can provide with better proof about their religion then i do. So you May ask it from them and then wait for lengthy posts ( storries) talking about every thing else but on the topic.

Do let me know what proof u r looking for?