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 (horticulture), bringing a cultivated plant into growth outside of its natural season.
• 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#forcingtakeout
  • Fourth suit forcing

See also

• Force (disambiguation)