Proof of the Truthful
... that Avicenna made an argument to prove the existence of God which became known as the "Proof of the Truthful"?
... that <a href="./Avicenna" id="mwNQ" rel="mw:WikiLink" title="Avicenna">Avicenna</a> made an argument to prove the existence of God which became known as the "<b id="mwNg"><a href="./Proof_of_the_Truthful" id="mwNw" rel="mw:WikiLink" title="Proof of the Truthful">Proof of the Truthful</a></b>"?