Write a boolean function @correct_date(d,m,y)@ that tells us whether day @d@ of month @m@ of year @y@ represents an actually correct date. Argument @y@ is always an int between 1800 and 9999. The rules to decide on february 29 for this interval of years can be found in exercise X91228: “Leap Years (2)”.
Author: José Luis Balcázar
Generation: 2026-01-25T16:53:57.208Z
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