Daily Archives: June 2, 2021

Logical Graphs, Truth Tables, Venn Diagrams • 6

Re: Laws of Form • John Mingers • Lyle Anderson Dear John, Lyle, See:  Ampheck Peirce discovered this about 1880 but did not publish it, leaving it to be named after Sheffer at a much later date.  In one discussion … Continue reading

Posted in Amphecks, Boolean Algebra, Boolean Functions, C.S. Peirce, Graph Theory, Laws of Form, Logic, Logical Graphs, Mathematics, Peirce, Propositional Calculus, Spencer Brown, Truth Tables, Venn Diagrams, Visualization | Tagged , , , , , , , , , , , , , , | 2 Comments