ratio cognoscendi

noun ra·tio cog·no·scen·di \ˈrätēˌōˌkȯgnəˈsken(ˌ)dē\

Definition of ratio cognoscendi


rationes cognoscendi

  1. :  the ground of knowledge :  something through or by means of which a thing is known

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Origin and Etymology of ratio cognoscendi


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feeling or affected by lethargy

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