"http://www.w3.org/TR/REC-mathml" . "cn" . . _:a23 . _:a24 . "http://www.w3.org/TR/REC-mathml" . "ci" . . _:a14 . _:a15 . "http://www.w3.org/TR/REC-mathml" . "plus" . . _:a11 . _:a12 . "http://www.w3.org/TR/REC-mathml" . "ci" . . _:a18 . _:a19 . "http://www.w3.org/TR/REC-mathml" . "power" . . _:a5 . _:a6 . "http://www.w3.org/TR/REC-mathml" . "apply" . . _:a8 . _:a9 . "http://www.w3.org/TR/REC-mathml" . "apply" . . _:a2 . _:a3 . _:a16 . _:a17 . _:a14 . _:a15 . _:a15 _:a16 . _:a15 . _:a12 . _:a12 . _:a13 . _:a10 . _:a11 . _:a27 . _:a26 . _:a25 . _:a24 . _:a24 _:a25 . _:a24 . _:a23 . _:a22 . _:a21 . _:a20 . _:a2 . _:a3 . _:a3 _:a4 . _:a3 . _:a3 _:a7 . _:a3 . _:a3 _:a22 . _:a3 . _:a3 _:a26 . _:a3 . _:a0 . _:a0 _:a1 . _:a0 . _:a0 _:a27 . _:a1 . _:a6 . _:a6 . _:a7 . _:a4 . _:a5 . _:a18 . _:a8 . _:a9 . _:a9 _:a10 . _:a9 . _:a9 _:a13 . _:a9 . _:a9 _:a17 . _:a9 . _:a9 _:a21 . _:a9 . _:a19 . _:a19 _:a20 . _:a19 . "\n David Hume" . _:a0 .