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Let $X$ be a normal projective Fano variety, that is the anti-canonical divisor $-K_X$ is ample. For any $m>0$ let us consider the complete linear system $|-mK_X|$ and the map $$f_{|-mK_X|}:X\...

I need a reference for a proof of the following fact: let $X$ be a toric variety then $X$ is log Fano. Thanks a lot.