@@ -33,7 +33,8 @@ Irregular: `~(a b c)` is `%~(a b c)`; `~(a b c d e)` is `%~(a b
3333
3434`:open` is the general case of a function call, `:call`. In
3535both, we replace the sample (`+6`) of a core. In `:call` the
36−core is a gate and we
36+core is a gate and we pull the `$` arm, in `:open` the
37+core is a door and we can pull any of its arms.
3738
3839Most languages do not have cores, doors, or `:open`. "Just
3940learn to step outside your linear, Western way of thinking."