これと比較すれば良い 珍説の主が、如何になんにも分かっていないか? 一目瞭然ですw (参考) https://en.wikipedia.org/wiki/Order_type Order type Order type of well-orderings https://upload.wikimedia.org/wikipedia/commons/thumb/e/e8/OrderTypeExamples_svg.svg/1920px-OrderTypeExamples_svg.svg.png Three well-orderings on the set of natural numbers with distinct order types (top to bottom): ω , ω +5, and {\displaystyle ω +ω . (引用終り)