Forcing

Forcing may refer to:

Mathematics and science

 * Forcing (mathematics), a technique for obtaining independence proofs for set theory
 * Forcing (computability), a modification of Paul Cohen's original set theoretic technique of forcing to deal with the effective concerns in recursion theory
 * Forcing, driving a harmonic oscillator at a particular frequency
 * Cloud forcing, the difference between the radiation budget components for average cloud conditions and cloud-free conditions
 * Forcing bulbs, the inducement of plants to flower earlier than their natural season
 * Radiative forcing, the difference between the incoming radiation energy and the outgoing radiation energy in a given climate system

Arts, entertainment, and media

 * Forcing (magic), a technique by which a magician forces one outcome from a card draw
 * Forcing, several distinct concepts within the game of contract bridge:
 * Forcing bid
 * Forcing defense
 * Forcing notrump
 * Forcing pass
 * Forcing take-out, an obsolete name for a strong jump shift; see Glossary of contract bridge terms
 * Fourth suit forcing