Sentence:  This picture of extreme self-reliant individuation <WSD>is</WSD> difficult to reconcile with such Zendo formulas as : '' O you , demons and other spiritual beings , I now offer this to you , and may this food fill up the ten quarters of the world and all the demons and other spiritual beings be fed therewith . 
Meaning of the word marked with <WSD> tags:  have the quality of being; (copula, used with an adjective or a predicate noun)