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  2. French conjugation - Wikipedia

    en.wikipedia.org/wiki/French_conjugation

    In -oyer and -uyer verbs, the y becomes an i before endings that start with a silent e (nous envoy-ons - j'envoi-e); in -ayer verbs, the writer may or may not change the y to an i before such endings (je pa-ye - je pa-ie). Additionally, the future and conditional forms of envoyer start with enverr-rather than envoyer-; and similarly with renvoyer.

  3. Envoi - Wikipedia

    en.wikipedia.org/wiki/Envoi

    Envoi or envoy in poetry is used to describe: A short stanza at the end of a poem such as a ballad, used either to address an imagined or actual person or to comment on the preceding body of the poem. [1] [2] A dedicatory poem about sending the book out to readers, a postscript. [3] Any poem of farewell, including a farewell to life.

  4. Equals sign - Wikipedia

    en.wikipedia.org/wiki/Equals_sign

    The equals sign (British English) or equal sign (American English), also known as the equality sign, is the mathematical symbol =, which is used to indicate equality in some well-defined sense. [1] In an equation , it is placed between two expressions that have the same value, or for which one studies the conditions under which they have the ...

  5. Addition - Wikipedia

    en.wikipedia.org/wiki/Addition

    2 + (1 + 3) = (2 + 1) + 3 with segmented rods. Addition is associative, which means that when three or more numbers are added together, the order of operations does not change the result. As an example, should the expression a + b + c be defined to mean (a + b) + c or a + (b + c)? Given that addition is associative, the choice of definition is ...

  6. Principia Mathematica - Wikipedia

    en.wikipedia.org/wiki/Principia_Mathematica

    The ramified type (τ 1,...,τ m |σ 1,...,σ n) can be modeled as the product of the type (τ 1,...,τ m,σ 1,...,σ n) with the set of sequences of n quantifiers (∀ or ∃) indicating which quantifier should be applied to each variable σ i. (One can vary this slightly by allowing the σs to be quantified in any order, or allowing them to ...

  7. Ah! vous dirai-je, maman - Wikipedia

    en.wikipedia.org/wiki/Ah!_vous_dirai-je,_maman

    "Ah! vous dirai-je, maman " " Ah! vous dirai-je, maman" (French: [a vu diʁeʒ(ə) mamɑ̃], English: Oh!Shall I tell you, Mama) is a popular children's song in France. Since its composition in the 18th century, the melody has been applied to numerous lyrics in multiple languages – the English-language song "Twinkle, Twinkle, Little Star" is one such example.

  8. 1 + 2 + 3 + 4 + ⋯ - ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%2B_2_%2B_3_%2B_4_%2B_%E...

    The first four partial sums of the series 1 + 2 + 3 + 4 + ⋯.The parabola is their smoothed asymptote; its y-intercept is −1/12. [1]The infinite series whose terms ...

  9. Triple bar - Wikipedia

    en.wikipedia.org/wiki/Triple_bar

    The triple bar character in Unicode is code point U+2261 ≡ IDENTICAL TO (≡, ≡). [1] The closely related code point U+2262 ≢ NOT IDENTICAL TO (≢, ≢) is the same symbol with a slash through it, indicating the negation of its mathematical meaning.