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 tollens does not detect an intruder, not whether there is one.) Another example: Another example: Every use of "modus tollens" can be converted to a use of "modus ponens" and one use of transposition to the premise which is a material implication. For example: Likewise, every use of "modus ponens" can be converted to a use of "modus tollens" and transposition. The validity of "modus tollens" can be clearly demonstrated through a truth table. In instances of "modus tollens" we assume as premises that p → q is true and q is false. There is only one line of the truth