ちょっと怖い橋もありました。先が見えません。この先へ進んだら殺人鬼の住む小屋がありそうじゃないですか? can be a commutative monoid with id aspect 0. It is a free of charge monoid on one particular generator. This commutative monoid satisfies the cancellation residence, so it might be embedded in a gaggle. The smallest group that contains the natural quantities may be the integers. b : https://naturalhealthproduct.home.blog/2025/09/03/cureayu-natural-healthcare-solutions-for-mind-body-balance/