theory

suomi-englanti sanakirja

theory englannista suomeksi

(senseid) A description of an event or system that is considered to be accurate.
{{quote-text|en|year=1646|author=Thomas Browne|title=Pseudodoxia Epidemica|section=VII.19
(senseid) A coherent statement or set of ideas that explains observed facts or phenomena and correctly predicts new facts or phenomena not previously observed, or which sets out the laws and principles of something known or observed; a hypothesis confirmed by observation, experiment etc. (defdate)
1843, (w), ""A System of Logic, Ratiocinative and Inductive, ..., Bk V, Ch 7:

In its most proper acceptation, theory means the completed result of philosophical induction from experience.

(quote-text)
{{quote-journal|en|author=Duncan Steel|journal=The Guardian|date=23 May 2002
{{quote-book|en|year=2003|author=Bill Bryson|title=A Short History of Nearly Everything|publisher=BCA|page=118
{{quote-text|en|year=2009|author=Richard Dawkins|title=The Greatest Show On Earth: The Evidence for Evolution|page=10|publisher=Bantam
{{quote-journal
(senseid) The underlying principles or methods of a given technical skill, art etc., as opposed to its practice. (defdate)
(senseid) A field of study attempting to exhaustively describe a particular class of constructs. (defdate)

''Knot theory classifies the mappings of a circle into 3-space.''

(senseid) A hypothesis or conjecture. (defdate)
{{quote-journal|en|author=Sean Coughlan|journal=The Guardian|date=21 Jun 2003
(senseid) A set of axioms together with all statements derivable from them; ''or'', a set of statements which are (w). ''Equivalently,'' a language plus a set of axioms (from which can then be derived theorems). The statements may be required to all be bound (''i.e.'', to have no variables).

''A theory is consistent if it has a model.''