1. Every statement made by a fortune teller on Monday through Thursday is true.

Question

1. Every statement made by a fortune teller on Monday through Thursday is true. Every statement she makes on Friday through Sunday is false. (a) On which days of the week can she make the statement "I told the truth yester- day"? (b) On which days of the week can she say "I uill be telling the truth tomorrow"? c) On which days of the week can she make both the assertion in (a) and the assertion in (b)? Note that the statement being made is a conjunction. (d) On March 30, 1925, she made the statement "The Victoria Cougars have won the Stanley Cup". Was she telling the truth? (Hint: try googling "perpetual calendar".

Explanation / Answer

(a) On Tuesday, Wednesday and Thursday, she can make that statement. (Ans).

(b) On Monday, Tuesday and Wednesday, she can make that statement. (Ans).

(c) On Tuesday and Wednesday, she can make that statement. (Ans).

(d) March 30,1925 was Monday. So she was telling the truth. (Ans).

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