関武夫さんという自然を愛している方が生前持っていた森を、ご遺族の方が（財）埼玉県生態系保護協会に寄付したんですね。 With this definition, supplied a natural range n, the sentence "a set S has n aspects" is usually formally described as "there exists a bijection from n to S. On the other hand, the two definitions are not equal, as you will find theorems which can be stated with https://www.slideshare.net/slideshow/cureayu-wellness-solutions-for-a-healthy-everyday-routine/282900237