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demostrar

to demonstrate

verb deh-mohs-TRAHR Common

Also means

to prove

Usage Note

Demostrar is an o→ue stem-changing verb (demuestra, demuestras…). It means both 'to demonstrate' (show how something works) and 'to prove' a claim logically or mathematically. The noun form is demostración. Do not confuse with mostrar ('to show'), which lacks the 'prove' sense.

Examples

"El científico demostró su teoría con datos."

Natural Translation

The scientist proved his theory with data.

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