Description: The divisor sum of a real Dirichlet character, is lower bounded by zero everywhere and one at the squares. Equation 9.4.29 of Shapiro, p. 382. (Contributed by Mario Carneiro, 5-May-2016)
Ref | Expression | ||
---|---|---|---|
Hypotheses | rpvmasum.z | |
|
rpvmasum.l | |
||
rpvmasum.a | |
||
rpvmasum2.g | |
||
rpvmasum2.d | |
||
rpvmasum2.1 | |
||
dchrisum0f.f | |
||
dchrisum0f.x | |
||
dchrisum0flb.r | |
||
dchrisum0flb.a | |
||
Assertion | dchrisum0flb | |