Murat Kasimov

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Я language (β)

/Я language (β)/Primitives/Product/

: ( i `P` ii ) ~ ( Product i ii )

Subtypes: Twice, Along.

> These : i `AR____` ii `AR___` i `P` ii

Product is a limit of Arrow category:

> `lo` : a `AR_` o `AR_______` a `AR_` oo `AR_______` a `AR_` o `P` oo

Covariant Endo Functor from Arrow into Arrow (1/2 argument):

> `yoi` : Product a _ `AR_______` a `AR` o `AR______` Product o _

Covariant Endo Functor from Arrow into Arrow (2/2 argument):

> `yio` : Product _ a `AR_______` a `AR` o `AR______` Product _ o

Covariant Endo Functor from Kleisli Arrow into Kleisli Arrow (1/2 argument):

> `yoikl` : Product a _ `AR_____` a `AR` tt o `AR______` tt ( Product o _ )

Covariant Endo Functor from Kleisli Arrow into Kleisli Arrow (2/2 argument):

> `yiokl` : Product _ a `AR_____` a `AR` tt o `AR______` tt ( Product _ o )