What is ‘Triskaidekaphobia’?
'Triskaidekaphobia' is a word that arises from the greek tris meaning three, and deka meaning ten, i.e. thirteen, and phobia meaning fear. Triskaidekaphobia thus...
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Is it Friday, the 13th?
If 1st is a Sunday, then 8th is also a Sunday because 8 = 1 + 7. Then 9th, 10th, 11th...
