KnowraFeynman diagramLinked fromLinked fromThe 27 pages that link to Feynman diagram, each with the reason it gives.All 27Broader topic 4Related 19Narrower topic 3Compared with 1Feynman rulesNarrower topic: The rules assign expressions to its lines and vertices.Virtual particleNarrower topic: Its internal lines represent virtual-particle propagators.Furry's theoremNarrower topic: The theorem cancels selected closed-loop diagrams when their orientations are paired.