Usages of el método
El que uses un método riguroso es indispensable.
The fact that you use a rigorous method is indispensable.
El que el método sea riguroso agudiza la mente.
The fact that the method is rigorous sharpens the mind.
El que ellos conozcan el método es una gran ventaja.
The fact that they know the method is a great advantage.
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