/Я language (β)/Operators/yokl/

(`yo`) [Y]oneda functor mapping c[O]variantly (`xk`) Source lax [K]leisli morphism (`xl`) Target lax K[L]eisli morphism
`yokl`⁴ : target ( t a ) ( target ( source ( a ) `PLL` tt o `PRL` ) ( tt ( t o ) ) )

`yokl` : target ( t a ) ( target ( source ( a ) `PLL` tt `L` tt `T` ll `L` t `T` l `T` o `PRL` ) ( tt ( t o ) ) )

`yokl`⁴, `yokl_`⁵, `yokl__`⁶, `yokl___`⁷.