Equiprobabilism 688 sqq. See also Systems, Moral.

Equity, subjective part of justice, 2430; greatness of legal equity, 2432; definition of equity, 2431.

Error, resembles ignorance, 32; practical and speculative, effect on gravity of sin, 249; may diminish theological guilt, 1764 b.

Escape from Prison, when licit, 1982 b.

Espousals, see Betrothal.

Ethics, and Moral Theology, 2.

Eucharist, Holy, 2699; the chief Sacrament of the Church, 2699; matter and form of the Eucharist, 2700; qualities of the bread, 2700 a; qualities of the wine, 2700 b; grave precept of Church regarding the form, 2700 c; minister of consecration, 2701; duties of minister as regards valid consecration, 2701 b; confession as preparation for consecration, 2701 c; effect on consecration of inadvertent neglect of grave liturgical precept, 2702; reservation of the Blessed Sacrament, 2708; duty of custody, 2708 a; duty of renewal of hosts, 2708 b; duty of worship, 2708 c; visits to the Blessed Sacrament, 2708 c; Forty Hours’ Devotion, 2708 c. See also Communion, Holy; Mass, Sacrifice of the.

Eugenical Sterilization, 1869 c.

Euthanasia, definition, 2485.

Eutrapelia, virtue, 2421 e, 2567.