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D.15.2.13 formaldivisorplus
Procedure from library divisors.lib (see divisors_lib).
- Usage:
- formaldivisorplus(A ,B); A + B; A = formaldivisor, B = formaldivisor.
- Assume:
- A and B are formal divisors on X.
- Return:
- a formal divisor on X
- Theory:
- The procedure will add the formal sums.
Example:
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