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Hello. in the following blog there is information on how to graph relations maths.

Please inform me if there is an app like lucidchart that makes sagittal diagrams, I mean, one between the sets and the relations, later, that graphs the diagram. or how can it be done with Xcas



https://ustamathematica.blogspot.com/20 ... grama.html

Thanks

Have you considered Graphviz?

https://graphviz.org/Gallery/directed/switch.html
https://www.graphviz.org/gallery/