[ipv6ipv4]

There is ample evidence that hallucinations are incurable in the best extant model of intelligence - people.

[add-sub-mul-div]

Someday we'll figure out how to program computers to behave deterministically so that they can complement our human abilities rather than badly impersonate them.

[Dylan16807]

Getting down to the level of a median helpful human with the same knowledge would be a massive step forward.

Getting down to the level of a moderately humble expert taking the time to double check would be almost as good as solving it.