▽とりマセ Σ^0_2 ●06/12 04:41 2020年5月16日土曜日 Lower bounds for tree(4) and tree(5) H. Friedman's finite miniaturization of Kruskal's tree theorem Hey, guys. You like large numbers, don't you? Today's topic is about a huge number related to Kruskal's tree theorem in graph theory.This is an important theorem that leads to Nash-Williams' BQO theory, Robertson–Seymour's graph minor theorem, and so o