Paulo Emílio de Vilhena

Results 2 issues of Paulo Emílio de Vilhena

There are two instances of Section Local Recursive Declarations in induction_and_recursion.md. This pull request removes the second one (at the end of the file).

Add solution for lemma `set_not_set`. The proof is based on a slightly different version of the lemma `two_equiv_two` that was already proven. Remark: This solution compiles with Coq 8.13.1 and...