Mathematical Discourse vs. Mathematical Intuition
Zhang&Ding Honeycomb
Does logic slowly pass away, or has it a future?
The nature of mathematical explanation
Knowledge and the Meaning of Life
Classifying and Justifying Inferences
Galavotti_Suppes
Classifying and Justifying Inferences_CSP
Indiscrete Variations on Rota
Paavola Abduction