The standard of living of an agent is viewed as her capability of achieving various functionings (Sen, 1985, 1987). The agent is thus characterized by her capability set that consists of different ...

We use axioms of abstract ternary relations to define the notion of a free amalgamation theory. These form a subclass of first-order theories, without the strict order property, encompassing many ...

Axiomatic ideas, though seemingly formal, are deeply human truths accepted without proof, like the sun rising. These ...