Fermat considered their solution valid, but pointed out they had provided an algorithm without a proof (as had Jayadeva and Bhaskara, though Fermat would never know this).
Fermat considerou válida a solución que deron, mais sinalou que usaran un algoritmo sen telo probado (como fixeran Jayadeva and Bhaskara, aínda que Fermat non coñecería este feito).