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  2. List of English prepositions - Wikipedia

    en.wikipedia.org/wiki/List_of_English_prepositions

    The following are single-word intransitive prepositions. This portion of the list includes only prepositions that are always intransitive; prepositions that can occur with or without noun phrase complements (that is, transitively or intransitively) are listed with the prototypical prepositions.

  3. English prepositions - Wikipedia

    en.wikipedia.org/wiki/English_prepositions

    The word preposition is from "Latin praepositionem (nominative praepositio) 'a putting before, a prefixing,' noun of action from past-participle stem of praeponere 'put before'," [7] the basic idea being that it is a word that comes before a noun.

  4. Lemma (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Lemma_(mathematics)

    In mathematics and other fields, [a] a lemma (pl.: lemmas or lemmata) is a generally minor, proven proposition which is used to prove a larger statement. For that reason, it is also known as a "helping theorem" or an "auxiliary theorem".

  5. Propositional calculus - Wikipedia

    en.wikipedia.org/wiki/Propositional_calculus

    [b] [6] [7] [8] Sometimes, it is called first-order propositional logic [9] to contrast it with System F, but it should not be confused with first-order logic. It deals with propositions [ 1 ] (which can be true or false ) [ 10 ] and relations between propositions, [ 11 ] including the construction of arguments based on them. [ 12 ]

  6. Therefore sign - Wikipedia

    en.wikipedia.org/wiki/Therefore_sign

    According to Florian Cajori in A History of Mathematical Notations, Johann Rahn used both the therefore and because signs to mean "therefore"; in the German edition of Teutsche Algebra (1659) the therefore sign was prevalent with the modern meaning, but in the 1668 English edition Rahn used the because sign more often to mean "therefore".

  7. Interval (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Interval_(mathematics)

    The Encyclopedia of Mathematics [7] defines interval (without a qualifier) to exclude both endpoints (i.e., open interval) and segment to include both endpoints (i.e., closed interval), while Rudin's Principles of Mathematical Analysis [8] calls sets of the form [a, b] intervals and sets of the form (a, b) segments throughout.

  8. Adpositional case - Wikipedia

    en.wikipedia.org/wiki/Adpositional_case

    For example, in English, prepositions govern the objective (or accusative) case, and so do verbs. In German, prepositions can govern the genitive, dative, or accusative, and none of these cases are exclusively associated with prepositions. Sindhi is a language which can be said to have a postpositional case. Nominals in Sindhi can take a ...

  9. National Education Policy 2020 - Wikipedia

    en.wikipedia.org/wiki/National_Education_Policy_2020

    It will gradually introduce subjects like speaking, reading, writing, physical education, languages, art, science and mathematics. Middle Stage: Classes 6 to 8, covering children between ages 11 and 13. It will introduce students to the more abstract concepts in subjects of mathematics, sciences, social sciences, arts and humanities.