Task 13
Задача
Denote by DIV(
n,
m) the statement "the natural number
n is divisible without remainder by the natural number
m" ;. For what
smallest natural number
А the formula
(DIV(x, A) /\ ¬DIV(x , 15)) → (DIV(x, 18) \/ DIV(x, 15))
is identically true (that is, takes on the value 1 for any natural value of the variable
x)?
Выберите правильный ответ, либо введите его в поле ввода
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