graph version implies the classical Kőnig's lemma, whereas the converse implication does not hold, since Kőnig's lemma is equivalent to countable choice...

"Diogenes Laertius" is much rarer, used by Stephanus of Byzantium, and in a lemma to the Greek Anthology. He is also referred to as "Laertes" or simply "Diogenes"...

mentio fit. apud Amandum König. p. 287. Ethnika 592.18–21,593.1–8, i.e. Stephanus Byzantinus' Ethnika (kat'epitomen), lemma Συράκουσαι Meineke, Augustus...

maximum possible size, we are of course finished. Otherwise, by Berge's lemma, there must exist an augmenting path P with respect to M in the underlying...

Bernd; Birkemeyer, Claudia; Wyohannis, Dereje; Lemma, Alemayehu; Brigidi, Patrizia; Savkovic, Vulk; König, Brigitte; Candela, Marco; Birkenmeier, Gerd (29...

Russell9 gave to the set-theoretic antinomies could have persuaded them [J. König, Jourdain, F. Bernstein] that the solution of these difficulties is not...

the above relation for infinitesimal rotations and the Baker Hausdorff lemma, by equating coefficients of order δ θ {\displaystyle \delta \theta } ,...

of the numbers of neighbors of all vertices, which (by the handshaking lemma) is proportional to the number of input edges. van Rooij & Wilf (1965) consider...