proven without words
... that the Pythagorean theorem can be proven without words?
... that the <a href="./Pythagorean_theorem" id="mwBRU" rel="mw:WikiLink" title="Pythagorean theorem">Pythagorean theorem</a> can be <b id="mwBRY"><a href="./Proof_without_words" id="mwBRc" rel="mw:WikiLink" title="Proof without words">proven without words</a></b>?