School of Universal Logic : 21 tutorials available - Make your choice!
Hybrid Logic
Logical Pluralism
Truth-Values
Refutation
Graded Consequence
Instantiations
Erotetic Logics
Institutions
Ideospheres
Natural Deductions
Kripke's World
Consistency
Fractals, Topologies and Logic
The World of Possible Logics
Geometry of Oppositions
Truth-functionality
Probabilistic Logic
Logics of Empirical Sciences
Logics of Plurality
How to Cut and Paste Logical Systems
