Investiguemos la anomalía en caso de que produzca una paradoja.

Questions & Answers about Investiguemos la anomalía en caso de que produzca una paradoja.

Why does en caso de que trigger the subjunctive produzca here?
The phrase en caso de que (in case) always requires the subjunctive. It introduces a contingency—a hypothetical event that hasn't happened yet, and might not happen at all. Because producing a paradox is just a possibility we are preparing for, Spanish requires the subjunctive produzca.
How does investiguemos translate to "let's investigate"?
To say "let's [do something]" in Spanish, you use the nosotros (we) command, which is identical to the nosotros form of the present subjunctive. You could also use the conversational workaround vamos a investigar, but investiguemos is the direct command form. Notice that the g changes to gu to keep the hard "g" sound before the "e".
Why does the verb producir change to produzca with a "zc"?
The present subjunctive is always built from the yo (I) form of the present indicative. For verbs ending in -ucir like producir, the yo form is irregular: produzco. That "zc" carries over to the entire present subjunctive, giving us produzca for the "it" form used here.
Could we ever drop the que and just say en caso de producir?
Yes, but only if the subject of both actions is the exact same. Here, "we" are investigating, but "the anomaly" is what might produce a paradox. Because there is a subject change between the two clauses, you must use en caso de que followed by a conjugated verb in the subjunctive.

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