Vern S. Poythress, “New Poythress Article: A Semiotic Analysis of Multiple Systems of Logic Using Tagmemic Theory to Assess the Usefulness and Limitations of Formal Logics and to Produce a Mathematical Lattice Model Including Multiple Systems of Logic” (PDF), Originally published in Semiotica 2022 issue 244: 145-162. Used with permission.
![New Poythress Article: A Semiotic Analysis of Multiple Systems of Logic Using Tagmemic Theory to Assess the Usefulness and Limitations of Formal Logics and to Produce a Mathematical Lattice Model Including Multiple Systems of Logic](https://i0.wp.com/frame-poythress.org/wp-content/uploads/2023/01/asdf-1.png?resize=880%2C360&ssl=1)