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132 ) and other sonic anomalies ( some " pumping " of the tone near the end of Op . Now , if the Church is the " pillar and bulwark of the truth " [ 132 ] and is placed in the world as Mother and Teacher , how could she neglect the task of teaching the truth which constitutes a path of life ? The approach of Marefat [ 140,141 ] built on the representation scheme of Joshi [ 132 ] and used a combination of expert system and hypothesis testing techniques to extract surface features from polyhedral objects and handle a variety of their geometric interactions . Sedlack instead remarks condescendingly that The House Behind the Cedars reveals " a more competent , if flawed , craftsmanship " ( 132 ) and that the characters , although they may seem " flat and perhaps unconvincing " to modern readers , are " distinct improvements " for Chesnutt ( 134 ) .