f and fn together</span>
(<span class="mdzsyn-coresym">def</span> <span class="mdzsyn-symbol">myfun-same</span> (<span class="mdzsyn-coresym">fn</span> [<span class="mdzsyn-symbol">x</span> <span class="mdzsyn-symbol">y</span>]
            (<span class="mdzsyn-coresym">+</span> <span class="mdzsyn-symbol">x</span> <span class="mdzsyn-symbol">x</span> <span class="mdzsyn-symbol">Y</span>)))

(<span class="mdzsyn-symbol">myfun</span> <span class="mdzsyn-number">3</span> <span class="mdzsyn-number">4</span>) <