logical connection
論理結合、論理演算
logical operation
https://source.unsplash.com/featured/?logical-connection#.png
/suto3/google.iconlogical connection
/suto3/Google画像検索.iconlogical connection
/suto3/Google定義検索.icon logical connection
/suto3/wikipedia.iconlogical connection
/suto3/weblio.icon logical connection
/suto3/kotobank.icon logical connection
/suto3/jisho.icon logical connection