necessity and sufficiency

Mathematically speaking, necessity and sufficiency are dual to one another.

In logic, necessity and sufficiency refer to the implicational relationships between statements.

It passes the necessity and sufficiency principle put forward by Kupfermann and Weiss.

Command and the neural causation of behavior: a theoretical analysis of the necessity and sufficiency paradigm.

Esperantology principles of word construction are exemplary of the principles of necessity and sufficiency which postulate a balance between conciseness and clarity of the word.

But logical conditionals accounting only for necessity and sufficiency do not always reflect every day if-then reasoning, and for this reason they are sometimes known as material conditionals.

Arminianism denies Jesus' substitutionary payment for sins - Both Arminius and Wesley believed in the necessity and sufficiency of Christ's atonement through penal substitution.

The theological opinion about the necessity and sufficiency of pronouncing certain parts of the Words of Institution (the eight words bolded in the English translation given above) is not included in, for instance, the Catechism of the Catholic Church, published in definitive form in 1997.