elements that constitute a Summa  was to ensure validity.
          But he would not have been satisfied had not the 
     membrification of the edifice permitted him to re-
     experience the very processes of cogitation. To him, the 
     panoply of shafts, ribs, buttresses, tracery, pinnacles, 
     and crockets was a self-analysis and self-explication of 
     architecture much as the customary apparatus of parts, 
     distinctions, questions, and articles was, to him, a self-
     analysis and self-explication of reason. Where the 
     humanistic mind demanded a maximum of “harmony” 
     (impeccable diction in writing, impeccable proportion, so 
     sorely missed in Gothic structures by Vasari, in 
     architecture), the Scholastic mind demanded a maximum 
     of explicitness. It accepted and insisted upon a gratuitous 
     clarification of function through form just as it accepted 
     and insisted upon a gratuitous clarification of thought