The professor had enjoyed his usual after-lunch beverage so much he thought he had another. But he could not for the life of him remember he had drunk. So he called the waiter over. And he said: "Now if this is coffee, I want tea. And if this was tea, bring me a malted milk. But if this was a malted milk, bring me a coffee." The waiter, who was logically minded, then brought him coffee. Can you say what drink--tea, coffee or malted milk-the waiter had originally served the professor?

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ISBN:9780470458365
Author:Erwin Kreyszig
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3. The professor had enjoyed his usual after-lunch beverage so much he
thought he had another. But he could not for the life of him
remember he had drunk. So he called the waiter over. And he said:
"Now if this is coffee, I want tea. And if this was tea, bring me a
malted milk. But if this was a malted milk, bring me a coffee." The
waiter, who was logically minded, then brought him coffee. Can you
say what drink--tea, coffee or malted milk-the waiter had originally
served the professor?
Transcribed Image Text:3. The professor had enjoyed his usual after-lunch beverage so much he thought he had another. But he could not for the life of him remember he had drunk. So he called the waiter over. And he said: "Now if this is coffee, I want tea. And if this was tea, bring me a malted milk. But if this was a malted milk, bring me a coffee." The waiter, who was logically minded, then brought him coffee. Can you say what drink--tea, coffee or malted milk-the waiter had originally served the professor?
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