logic n. 1.邏輯,理論學。 2.推理[方法];邏輯性,條理性。 3. 威力,壓力,強制(力)。 deductive [inductive] logic演繹[歸納]邏輯。 dialectical logic辯證邏輯。 formal logic形式邏輯。 a gangster logic強盜邏輯,惡徒的歪理[言行]。 mathematical logic數理邏輯。 pure logic純粹邏輯。 He is not governed by logic. 他沒有邏輯性。 That is not logic. 那不合邏輯。 the irresistible logic of facts 事實的不可抗拒的威力。 the logic of events [war] 事件[戰爭]的強制力。 His logic is shaky. 他的推理站不住腳。 chop logic 詭辯。
Logic and set theory ; symbols and concepts 邏輯和集論.符號和概念
Versa also provides facilities - such as full boolean logic and set operations , transitive operations , aggregates , substring matching , and other core data type manipulation - that are lacking in many other rdf query systems Rdf模型是圖形結構,該結構可以非常簡單也可以令人難以置信的復雜。事實上,極端情況下, semantic web的設想是要創建至少同當前web一樣大的rdf模型。