I find this very interesting; I didn't know Entitative Graphs were related to LoF.
On Thu, Jan 30, 2020 at 11:22 AM Helmut Raulien <[email protected]> wrote: > > > Supplement: With alternation of the backround of Venn diagrams in the case > of Entitative Graphs / Laws of Form I meant, that this alternation takes > place between graphs with no variable written into the unmarked space. That > would be: (C) : Black background. (B(C)): White background. (A(B(C))): > Black background. With EGs, I guess you never write a variable into the > blank sheet, and in this case the background always is black. > > List, > > somewhwere, I forgot where, I have read, that Existential Graphs are > Entitative Graphs turned inside out. In the attachment I have tried to see > whether this is so or not, by visualizing some graphs with Venn diagrams. I > have found that for two variables in cuts inside each other (page 1 of the > attachment), but not for three of them (page 2). > > It is also said (Wikipedia), that Entitative and Existential Graphs are > dual with each other. I have not checked that yet. I first thought I had, > thinking that dual Venn-Diagrams are like one being a negative photo-copy > of the other. But that is not so. I dont know, whether duality is visible > at all by comparing Venn-Diagrams. Duality means, that between two compared > truth-tables "true" and "false" outcome values are replaced with each other. > > Another thing is, that, while this is not the case with EGs, in Entitative > Graphs the background of the Venn-Diagram alternates between black and > white with additional cuts inside each other. > > Entitative Graphs are isomorphic with Laws of Form, so this alternating > background should not be, I guess, as in Laws of Form, it should be > "unmarked space", isnt it? So nothing should happen with it, should it? > > But maybe, I have made mistakes? I was assuming, that a cut means "not" to > its inside, and that elements besides each other are connected with "or" in > Entitative Graphs, but with "and" in EGs. > > Best regards, > Helmut > ----------------------------- PEIRCE-L subscribers: Click on "Reply List" > or "Reply All" to REPLY ON PEIRCE-L to this message. PEIRCE-L posts should > go to [email protected] . To UNSUBSCRIBE, send a message not to > PEIRCE-L but to [email protected] with the line "UNSubscribe PEIRCE-L" > in the BODY of the message. More at > http://www.cspeirce.com/peirce-l/peirce-l.htm . >
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