Roman Catholic Archdiocese of Tunis to close down all the Catholic churches in the country, forced the Holy See to accept an agreement of the type known as a modus vivendi, a term that literally means "a way of living". This particular agreement was unofficially described as instead a "modus non moriendi" ("a way of not dying"). By it, all but 5 of the country's more than 70 churches were handed over to the state, including what had been the cathedral of the archdiocese, while the state, for its part, promised that the buildings would be put only to use of public interest consonant with
Modus ponens that "P", the antecedent of the conditional claim, is true. From these two premises it can be logically concluded that "Q", the consequent of the conditional claim, must be true as well. In artificial intelligence, "modus ponens" is often called forward chaining. An example of an argument that fits the form "modus ponens": This argument is valid, but this has no bearing on whether any of the statements in the argument are true; for "modus ponens" to be a sound argument, the premises must be true for any true instances of the conclusion. An argument can be valid but nonetheless