ms():
            if k in fd and fd[k] != v:
                return {&#39;0&#39;:1}
            else:
                fd[k] = v

    imp,con = logical_domain_of_influence(fd,primes)

    if len(con) &gt; 0:
        return {&#39;0&#39;:1}
    fd.update(imp)
    return fd

def reduce_rspace_string(s,fd,simplify=True):
    &#34;&#34;&#34;Replaces variables in the string s with the fixed values given by the dictionary fd.

    Parameters
    ----------
    s : str
        Boolean expression in BNET format.
    