Now let’s make some changes. Suppose you were, in the course of your search of proof space, to come across a proof that a() returned 0? You could simply return 0 at that point rather than continuing to search for proofs that a() returned 1. So let’s make that change.
If you make this change, then step 2 of cousin_it’s proof won’t go through anymore, I think.
If you make this change, then step 2 of cousin_it’s proof won’t go through anymore, I think.