Meaning of many-valued in English:

many-valued

adjective

  • 1Mathematics
    (of a function) having more than one value for some or all of its arguments; that maps to more than one point, number, etc.

  • 2Logic
    Designating a logic in which a proposition can be assigned any of three or more values, rather than being restricted to those of truth and falsity.

Origin

Late 19th century.