For 10 points, name this idea of a Franciscan philosopher, who argued that, all else being equal, the simplest solution should be considered the truest.
Nicole D'Oresime used this idea to spurn Aristotelian cognitive species, and along with Dourand de Sainte-Pourcain, applied this law to defend hypotheses of the heavens, a stance Galileo borrowed. This statement is also called the principle of parsimony, and it was first stated as "Entia non sunt multiplicanda praeter necessitatem" or "Plurality should not be posited without necessity." For 10 points, name this idea of a Franciscan philosopher, who argued that, all else being equal, the simplest solution should be considered the truest.
Nicole D'Oresime used this idea to spurn Aristotelian cognitive species, and along with Dourand de Sainte-Pourcain, applied this law to defend hypotheses of the heavens, a stance Galileo borrowed.
{Occam's} Razor