Mathlib v3 is deprecated. Go to Mathlib v4

Theorem nat.arithmetic_function.is_multiplicative_sigma

Modification history

2020-10-08 15:40
src/number_theory/arithmetic_function.lean
feat(number_theory/arithmetic_function): define `is_multiplicative` on `arithmetic_function`s, provides examples (#4312) …
Added nat.arithmetic_function.is_multiplicative_sigmaView on Github →