"And at last we've got to the end of this ideal racecourse! Now that you accept and and and , you accept ."
"Do I?" said the Tortoise innocently. "Let's make that quite clear. I accept and and and . Suppose I refused to accept ?"
"Then Logic would take you by the throat, and you to do it!" Achilles triumphantly replied. "Logic would tell you, 'You can't help yourself. Now that you've accepted and and and , you accept !' So you've no choice, you see."
"Whatever Logic is good enough to tell me is worth ," said the Tortoise. "So enter it in your notebook, please. We will call it
() If and and and are true, must be true.
Until I've granted , of course I needn't grant . So it's quite a step, you see?"
"I see," said Achilles; and there was a touch of sadness in his tone.
Lewis Carroll