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## Main Question or Discussion Point

Supposse that [tex]y \in{R(T)}[/tex], [tex]T\in{L(V,W)}[/tex] the equation [tex]Tx=y[/tex], have unique solution if only and if T is injectiva

- Thread starter juaninf
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Supposse that [tex]y \in{R(T)}[/tex], [tex]T\in{L(V,W)}[/tex] the equation [tex]Tx=y[/tex], have unique solution if only and if T is injectiva

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Mark44

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What have you tried? Do you know how to prove if and only if statements?

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yes, first left after right, i want only idea,

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HallsofIvy

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I maked this

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HallsofIvy

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