Tasɣent (tusnakt)

Deg tusnakt , Tasɣent d tafekka tasnakant i d-isgensisen assaɣ imisin i teqqnen yal aferdis seg tagruma yettwassmman tagruma n tbadut neɣ tagrawt n tbadut neɣ taɣult X {\displaystyle X\!} s yiwen n uferdis deg tegrawt yettusemman tazdaɣult neɣ taɣult tamudemt. Neɣ s usemres n taftart tasnakant tamaddudt: f : X → Y , x ↦ f ( x ) {\displaystyle f\colon X\rightarrow Y,x\mapsto f(x)\!}

Seg usenmel-a, ttwafarasen-tt-d waṭas n tɣawsiwin tigejdanin:

Ma tella tegruma d tagrawt n wazalen i yezmer umeskil imziregad yawi x {\displaystyle x} , ihi tazdaɣult d tagrawt n wazalen unẓiren i wazalen n tesɣent f ( x ) {\displaystyle f(x)\!} .

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