Formal logicians are not concerned with existential matters which are precisely what artists are concerned with.形式逻辑学家并不关心存在的事物,而艺术家所关心的则正是这些东西.Modern logicians regard it as little more than tautology.现代的逻辑学家仅仅把它看作同义反复.F...

n.逻辑学家( logician的名词复数 )...

logicians的音标：...