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Theory vs Rule - What's the difference?

theory | rule |

As a noun theory

is (obsolete) mental conception; reflection, consideration.

As a verb rule is

.

theory

English

Noun

  • (obsolete) Mental conception; reflection, consideration.
  • * 1646 , (Thomas Browne), Pseudodoxia Epidemica , VII.19:
  • As they encrease the hatred of vice in some, so doe they enlarge the theory of wickednesse in all.
  • (sciences) A coherent statement or set of ideas that explains observed facts or phenomena, or which sets out the laws and principles of something known or observed; a hypothesis confirmed by observation, experiment etc.
  • * 2002 , Duncan Steel, The Guardian , 23 May 2002:
  • It was only when Einstein's theory' of relativity was published in 1915 that physicists could show that Mercury's "anomaly" was actually because Newton's gravitational ' theory was incomplete.
  • * 2003 , (Bill Bryson), A Short History of Nearly Everything , BCA, p. 118:
  • The world would need additional decades [...] before the Big Bang would begin to move from interesting idea to established theory .
  • * 2009 , (Richard Dawkins), The Greatest Show On Earth: The Evidence for Evolution , Bantam, p. 10:
  • Scientists and creationists are understanding the word "theory'" in two very different senses. Evolution is a '''theory''' in the same sense as the heliocentric '''theory'''. In neither case should the word "only" be used, as in "only a ' theory ".
  • * {{quote-magazine, date=2012-01
  • , author=Michael Riordan , title=Tackling Infinity , volume=100, issue=1, page=86 , magazine= citation , passage=Some of the most beautiful and thus appealing physical theories', including quantum electrodynamics and quantum gravity, have been dogged for decades by infinities that erupt when theorists try to prod their calculations into new domains. Getting rid of these nagging infinities has probably occupied far more effort than was spent in originating the ' theories .}}
  • (uncountable) The underlying principles or methods of a given technical skill, art etc., as opposed to its practice.
  • * 1990 , Tony Bennett, Outside Literature , p. 139:
  • Does this mean, then, that there can be no such thing as a theory of literature?
  • * 1998 , Elizabeth Souritz, The Great History of Russian Ballet :
  • Lopukhov wrote a number of books and articles on ballet theory , as well as his memoirs.
  • (mathematics) A field of study attempting to exhaustively describe a particular class of constructs.
  • Knot theory classifies the mappings of a circle into 3-space.
  • A hypothesis or conjecture.
  • * 1999 , Wes DeMott, Vapors :
  • It's just a theory I have, and I wonder if women would agree. But don't men say a lot about themselves when a short-skirted woman slides out of a car or chair?
  • * 2003 , Sean Coughlan, The Guardian , 21 Jun 2003:
  • The theory is that by stripping costs to the bone, they are able to offer ludicrously low fares.
  • (countable, logic) A set of axioms together with all statements derivable from them. Equivalently, a formal language plus a set of axioms (from which can then be derived theorems).
  • A theory is consistent if it has a model.

    Usage notes

    In scientific discourse, the sense “unproven conjecture” is discouraged (with hypothesis or conjecture preferred), due to unintentional ambiguity and intentional equivocation with the sense “well-developed statement or structure”.

    Synonyms

    * See also

    Holonyms

    * (in logic) formal system

    Meronyms

    * (in logic) axioms

    Derived terms

    * acoustic theory * algorithmic information theory * antenna theory * atomic theory * catastrophe theory * category theory * cell theory * chaos theory * circuit theory * complexity theory * computation theory * control theory * critical theory * decision theory * domino theory * extreme value theory * game theory * giant impact theory * graph theory * group theory * in theory * information theory * kinetic theory of gases * knot theory * literary theory * music theory * number theory * opponent-process theory * phlogiston theory * probability theory * proof theory * quantum field theory * rational choice theory * set theory * signal theory * social theory * systems theory * theory of gravity * theory of relativity * theory of truth * Theory X * Theory Y * type theory * value theory * virtue theory

    See also

    * axiom * postulate * proposition Check translations

    rule

    English

    Noun

    (en noun)
  • A regulation, law, guideline.
  • * Tillotson
  • We profess to have embraced a religion which contains the most exact rules for the government of our lives.
  • * {{quote-magazine, date=2013-06-22, volume=407, issue=8841, page=68, magazine=(The Economist)
  • , title= T time , passage=The ability to shift profits to low-tax countries by locating intellectual property in them
  • A ruler; device for measuring, a straightedge, a measure.
  • * South
  • A judicious artist will use his eye, but he will trust only to his rule .
  • A straight line , especially one lying across a paper as a guide for writing.
  • A regulating principle.
  • * c. 1604, William Shakespeare, All's well that ends well , Act I, scene I:
  • There's little can be said in 't; 'Tis against the rule of nature.
  • The act of ruling; administration of law; government; empire; authority; control.
  • * Bible, Hebrews xiii. 17
  • Obey them that have the rule over you.
  • * Alexander Pope
  • His stern rule the groaning land obeyed.
  • A normal condition or state of affairs.
  • My rule is to rise at six o'clock.
  • (obsolete) Conduct; behaviour.
  • * Shakespeare
  • This uncivil rule ; she shall know of it.
  • (legal) An order regulating the practice of the courts, or an order made between parties to an action or a suit.
  • (Wharton)
  • (math) A determinate method prescribed for performing any operation and producing a certain result.
  • a rule for extracting the cube root
  • (printing, dated) A thin plate of brass or other metal, of the same height as the type, and used for printing lines, as between columns on the same page, or in tabular work.
  • Derived terms

    * exception that proves the rule * golden rule * rule of action * rule of law * rule of thumb * silver rule * slide rule * there is an exception to every rule

    Verb

    (rul)
  • To regulate, be in charge of, make decisions for, reign over.
  • * , chapter=13
  • , title= The Mirror and the Lamp , passage=And Vickers launched forth into a tirade very different from his platform utterances. He spoke with extreme contempt of the dense stupidity exhibited on all occasions by the working classes. He said that if you wanted to do anything for them, you must rule them, not pamper them. Soft heartedness caused more harm than good.}}
  • (slang) To excel.
  • To mark (paper or the like) with (lines).
  • To decide judicially.
  • * {{quote-magazine, date=2013-06-21, author= Karen McVeigh
  • , volume=189, issue=2, page=10, magazine=(The Guardian Weekly) , title= US rules human genes can't be patented , passage=The US supreme court has ruled unanimously that natural human genes cannot be patented, a decision that scientists and civil rights campaigners said removed a major barrier to patient care and medical innovation.}}
  • To establish or settle by, or as by, a rule; to fix by universal or general consent, or by common practice.
  • * Atterbury
  • That's a ruled case with the schoolmen.

    Synonyms

    * (to excel) rock (also slang)

    Antonyms

    * (to excel) suck (vulgar slang)

    Derived terms

    * Rule Britannia * rule on * rule out * rule the roost * the hand that rocks the cradle rules the world

    Anagrams

    * 1000 English basic words ----