21. A circuit pattern comparison apparatus according to claim 1, further comprising: normal comparison order knowledge input means for inputting normal comparison order knowledge independent of an individual pattern for the comparison order; and comparison order synthesizing means for combining the normal comparison order knowledge input from the normal comparison order knowledge input means and the comparison order designated by said comparison order designating means and for synthesizing a new comparison order, wherein said comparing means includes means for comparing said designated predetermined comparison pattern from the object of comparison in accordance with the new comparison order synthesized by said comparison order synthesizing means.
22. A circuit pattern comparison apparatus according to claim 21, further comprising comparison order synthesizing knowledge input means for inputting comparison order synthesizing knowledge for designating a method for synthesizing the new comparison order by said comparison order synthesizing means.