Flesh Meat, 2586 sqq.
Foolhardiness, sin against fortitude, 2466 b.
Foolishness, sin of, opposed to Gift of Wisdom, 1621; description of sin, 1624; causes, 1625; cause of contumely, 2017 b.
Foresight, 1638 b.
Forgetfulness, resembles ignorance, 32.
Form, Sacramental, see Sacrament. Formal Sin, 248.
Fornication, definition, 2543; sinfulness of fornication, 2534; fornication compared with other sins, 2525 a; circumstances of fornication, 2526 a; fornication of engaged person, 2526 b; forms of fornication, 2527; the State and places of prostitution, 2528.
Fortitude, 150; golden mean in, 154 a, 157 b; Gift of the Holy Ghost, 160 b; rank among moral virtues, 2437; definition of fortitude, 2439; two acts of fortitude, 2440; excellence, 2441; sins opposed to fortitude, 2446; integral and potential parts of fortitude, 2447; differs from patience, 2453 b; complements of fortitude, 2457; Gift of Fortitude, 2457 a; fortitude and the Eighth Beatitude, 2457 b; fortitude and the Fruits of Patience and Longsuffering, 2457 c; commandments of fortitude, 2458; subjects of fortitude, 2460. See also Martyrdom.
Franchise, Electoral, see Voting.
Fraternal Correction, see Correction, fraternal.