[racket] \triangleleft and \triangleright in DrRacket

Hello,

I am puzzled with these keybindings in DrRacket, they seem to me to be
swapped.

\triangleleft      ▹
\triangleright     ◃
\bigtriangleup     △
\bigtriangledown   ▽


It looks like \triangleleft is pointing right. But \bigtriangleup points up.

Is there something I didn't understand well?


Thanks,

Rodolfo Carvalho
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