Home

is-in-range[value1, value2] ket
returns yes/no if value1 <= the value in ket <= value2

is-in-range[2,4] ssplit |0123456>
    |no> . |no> . |yes> . |yes> . |yes> . |no> . |no>

not |yes> => |no>
not |no> => |yes>
is-a-child |*> #=> is-in-range[0,17] age |_self>
is-a-teenager |*> #=> is-in-range[13,19] age |_self>
is-an-adult |*> #=> not is-in-range[0,17] age |_self>
age |Emma> => |14>
age |Bella> => |18>
age |Fred> => |34>

table[person, age, is-a-child, is-a-teenager, is-an-adult] split[" "] |Emma Bella Fred>
    +--------+-----+------------+---------------+-------------+
    | person | age | is-a-child | is-a-teenager | is-an-adult |
    +--------+-----+------------+---------------+-------------+
    | Emma   | 14  | yes        | yes           | no          |
    | Bella  | 18  | no         | yes           | yes         |
    | Fred   | 34  | no         | no            | yes         |
    +--------+-----+------------+---------------+-------------+

-- if the ket has no float value then return the empty ket |>
is-in-range[13, 17] |the cat>
    |>