Inference in nineteenth century British logic .- The representation of negative terms with Euler diagrams .- Logical hylemorphism in the 13th Latin century .- What is the relation between Peirce's logic and his philosophy of logic? .- Boole's symbolized laws of thought facing empiricism .- Lewis Carroll's almost diagrammatic notation .- Boole's untruth tables: The formal conditions of meaning before the emergence of propositional logic .- What is "ancient Chinese logic"? .- Husserlian pure logic from the standpoint of intentionality .- Definition and inference in Leśniewski's logic .- The place and value of logic in Louis Couturat's philosophical thinking .- Frege's silence about Bolzano .- Symbolism and unintepretability in Boole .- Tabular notations .- Identity, equality in logic, mathematics and politics .- Logic and metaphysics .- Can logic be cartesian?.- Images and their ability to negate .- What does "best explaining" mean? Explanatory virtues and the role of context in IBE .- What does a concept entail? .- The analytic and the synthetic from homology to heterology .- About all and nothing. Meinongian views of all and nothing as maximal and minimal objects of thought .- On dichotomy and analogy: A question on the next 'unbloody' revolution in logic .- Logic and analogy .- A Carnapian logic of conceivability .- No, no and no .- Philosophical logic = philosophy + logic? .- 'Grammar is not a mechanism' (Wittgenstein) or what could an anthropology of mathematics? .- Existential Presupposition and Logical Square .- The unification of mathematics via topos theory .- Quasi-topological structuring of extensions within logic of typicals and atypicals (LTA) .- Contributions of logical analysis for mathematics education .- A categorical aspect of the analogy between quantifiers and modalities .- The relevance logic program: Failed or just stalled? .- Is logic relevant to classifications? .- Logic and theory of representation .- Back and forth in positive logic.