| 单词 | schema | 
| 释义 | Word Frequency schema(ˈskiːmə) nounWord forms:  plural -mata (-mətə) 1.  a plan, diagram, or scheme  2.  (in the philosophy of Kant) a rule or principle that enables the understanding to apply its categories and unify experience  universal succession is the schema of causality 3.  psychology a mental model of aspects of the world or of the self that is structured in such a way as to facilitate the processes of cognition and perception  4.  logic an expression using metavariables that may be replaced by object language expressions to yield a well-formed formula. Thus A = A is an axiom schema for identity, representing the infinite number of axioms, x= x,y= y,z= z, etc Word origin C19: from Greek: form | 
	
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