def formula_has_multi_any_bfunc(formula, bfunc_set):
    """Returns true if the total times any of the provided
    basis functions appear in the formula is more than once
    per per normalization.

    :formula: str
    :bfunc_set: list of str
    :returns: bool

    """
    equivalents=formula.count("+")+1
    instances=0
    for b in bfunc_set:
        instances+=formula.count(b)

    return instances/equivalents>1