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What is the difference between formula and closed?

formula | closed |

As a noun formula

is (mathematics) any mathematical rule expressed symbolically.

As a adjective closed is

sealed, made inaccessible or impassable; not open.

As a verb closed is

(close).

formula

English

Noun

(wikipedia formula)
  • (mathematics) Any mathematical rule expressed symbolically.
    • x = \frac {-b \pm \sqrt{b^2 - 4ac}}{2a} is a formula for finding the roots of the quadratic equation ax2 + bx + c = 0 .
  • (chemistry) A symbolic expression of the structure of a compound.
    • H2O is the formula for water (Dihydrogen monoxide)
  • a plan or method for dealing with a problem or for achieving a result
    • The company's winning formula includes excellent service and quality products.
  • A formulation; a prescription; a mixture or solution made in a prescribed manner; the identity and quantities of ingredients of such a mixture.
    • The formula of the rocket fuel has not been revealed.
  • Drink given to babies to substitute for mother's milk.
  • (logic) A syntactic expression of a proposition, built up from quantifiers, logical connectives, variables, relation and operation symbols, and, depending on the type of logic, possibly other operators such as modal, temporal, deontic or epistemic ones.

    • Synonyms

    * (in mathematics) mathematical formula * (in chemistry) chemical formula

    Hyponyms

    * (logic) sentence

    Derived terms

    * (l) * formulate * formulation * Formula One * formula racing * multiformula

    Related terms

    * form * formulaic

    External links

    * * English nouns with irregular plurals ----

    closed

    English

    Adjective

    (-)
  • Sealed, made inaccessible or impassable; not open
  • (of a store or business) Not operating or conducting trade
  • Not public.
    • closed source
    a closed committee
  • (topology, of a set) Having an open complement.
  • (mathematics, of a set) Such that its image under the specified operation is contained in it.
    • The set of integers is closed under addition: \forall x,y\in\mathbb{Z}\,x+y\in\mathbb{Z}.
  • (mathematics, logic, of a formula) Lacking a free variable.

    • Synonyms

    * shut

    See also

    * close

    Verb

    (head)
  • (close)

    • Anagrams

    * (l) ----