逻辑学是什么

What is Logic contains two clues. One is the time clues of logic science history, while another one is the space clues of the basic content of logic science. Along these two clues, the author sketches the clear outline of logic; one and another witty and interesting logic questions designed by the author are just like the pearls on these two clues, which are full, rich and mellow, highlighting the magic charm of logic.