The notion of a function is fundamental in mathematics, and the λ-calculus is an attempt to make this notion precise.
函数的概念在数学中是基础的,而λ演算试图使这一概念精确化。
夢は、諦めなければ必ず叶う。
书籍可能是危险的。最好的那些应该被贴上“这可能会改变你的人生”的标签。
The only limits that exist are the ones in your mind.
Everybody counts or nobody counts.