Index 317
White, Neil, xix, 214
Wittgenstein, Ludwig, 139, 140
word, 43, 49
empty, 49
equivalent, 49
palindromic, 51
reduced, 50
synonymous, 49
word processing, 52
Wright, David, 235
WYSIWYG, 38
Yalc ¸ınkaya, Sukr¨ ¸ ¨ u, xx, 209
Yessenin-Volpin, Alexander
Sergeevich, 102, 103, 272
Zeilberger, Doron, 168
Zelevinsky, Andrei, 57
Zeno, 101, 113
Zermelo, Ernst, 156, 168
Zermelo-Fraenkel axioms, 264
zero divisor, 114
Zilber, Boris, 244, 272
Zong, Chuanming, 114
