How to Say "to substantiate" in Spanish
The Spanish word for “to substantiate” is “comprobar” — B1 level.
English → SpanishB1
verbB1formal
formal context of proof
Examples
El experimento comprobó la teoría del científico.
The experiment proved the scientist's theory.
La nueva evidencia comprueba su inocencia.
The new evidence proves his innocence.
No pudieron comprobar que el coche era robado.
They couldn't prove that the car was stolen.
Followed by 'que'
When 'comprobar' means 'to prove' or 'to confirm a fact,' it is usually followed by 'que' and the verb in the normal indicative (non-special) form: 'Comprobamos que está aquí.' (We confirmed that he is here.)
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