/Я language (β)/Primitives/Whether/

: ( i `W` ii ) ~ ( Whether i ii )
: Supertype ( Whether i ii ) ~ ( ( i `S` ii ) `S` ( i `P` ii ) )

> `yoi` : a o . Whether a _ `AR_____` a `AR____` o `AR____` Whether o _
> `yio` : a o . Whether _ a `AR_____` a `AR____` o `AR____` Whether _ o