$\"\"$

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Let $\"\"$ be the statement that there exists a set of $\"\"$ and $\"\"$ stamps that adds to $\"\"$ for $\"\"$ .

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The conjecture is true for $\"\"$ .

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Hence, $\"\"$ .

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$\"\"$ is true for $\"\"$ .

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$\"\"$

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Assume that $\"\"$ is true for $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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The conjecture is true for $\"\"$ is true for set of $\"\"$ and $\"\"$ stamps.

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$\"\"$ is true for positive integer $\"\"$ .

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Show that $\"\"$ must be true for set of $\"\"$ and $\"\"$ stamps.

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Case 1:

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Consider atleast there is one $\"\"$ and replace remaing $\"\"$ stamps.

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The total set value is increased to $\"\"$

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The final statement is exactly $\"\"$ , so $\"\"$ is true.

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Case 2:

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The set contains no $\"\"$ stams and six $\"\"$ stamps. then the value is greater than $\"\"$ .

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$\"\"$ is true for set of $\"\"$ and $\"\"$ stamps.

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$\"\"$

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All stamps greater than $\"\"$ can be formed by using set of $\"\"$ and $\"\"$ stamps.