Did you solve it? The birthday birthday problem
by Alex Bellos from on (#3QPG2)
The solution to today's puzzle
In my puzzle blog earlier today I set you the following problem:
Ariel, Balthazar and Chastity are great mates, genius logicians and they always tell the truth. Neither Ariel nor Balthazar know the day or the month of Chastity's birthday, so she decides to tell them in the following way:
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